stop climate change essay

Essay on Prevention of Global Warming for Students and Children

500 words essay on prevention of global warming.

Global warming is a term you must have heard by now as it is very prevalent in today’s world. Moreover, it has become a very dangerous environmental issue which we must resolve as soon as possible. If we do not prevent it now, soon we will find it hard to survive on this planet.

Every person needs to contribute equally to help prevent global warming. Similarly, we must identify the causes that are contributing to this dangerous phenomenon and work hard to find solutions. Furthermore, we must immediately put a halt to all those activities which are causing global warming .

Causes of Global Warming

There are many activities through which global warming is happening. Mostly human activities are contributing to this damaging phenomenon. The carbon dioxide levels are increasing in the air which is causing global warming. Moreover, the increase in greenhouse gases is also contributing to this phenomenon.

Furthermore, the usages of hot water for various purposes like bathing, cleaning and more release gases contribute to it. After that, when we make use of ordinary bulbs instead of LED lights, we contribute majorly to global warming. Similarly, the way people leave their electronic devices unattended when not in use also plays a big role.

Most importantly, deforestation and cutting plants everywhere just make it worse for our planet. The way we burn wood and fossil fuels only makes the condition of global warming worse. Similarly, when we use too much of automobiles that release harmful toxins in the air, the temperature of earth increases and causes global warming. In order to prevent global warming, we must adopt an eco-friendly lifestyle to make the future safe for our future generations.

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Ways to Prevent Global Warming

There are many changes we can bring about in our life both big and small to prevent global warming and save our planet. Firstly, we must stop deforestation in all forms. Do not cut down more trees as it will only worsen the level of carbon dioxide in the air. Instead, encourage people to plant even more trees to create a fine balance in nature.

Moreover, it reduces the usage of energy everywhere. It does not matter if you are at your home or at your office, the higher the energy used the more the carbon dioxide produced. Thus, do not waste electricity as it requires the burning of fossil fuels. As a result of the burning of fossil fuels , greenhouse gases in the atmosphere increase rapidly and contribute to global warming. Moreover, reduce the carbon footprint and do not travel through planes that often.

Most importantly, replace all your ordinary bulbs with LED lights. It will help in reducing the use of energy by a massive amount. Similarly, do not waste that energy. Instead of becoming more dependent, we need to reduce our dependence on fossil fuels and electricity right away.

Opt for eco-friendly options like solar energy and win power. Take up the habit of recycling and reusing. Do not throw away things instead learn to reuse them properly. Further, carpool with your neighbors and relatives to not contribute to automobile exhausts and emissions.

FAQs on Prevention of Global Warming

Q.1 What is causing global warming?

A.1 There are many human activities that cause global warming. Some of them are the usage of hot water, old light bulbs, burning fossil fuels, wasting electricity, using excessive automobiles, deforestation and many more.

Q.2 How can we prevent global warming?

A.2 We can prevent global warming by adopting a healthy lifestyle. Try to carpool with your relatives and friends to not produce carbon emissions. Moreover, do not cut down trees unnecessarily and also replace old electronic gadgets.

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Essay on Climate Change: Check Samples in 100, 250 Words

• Updated on  
• Sep 21, 2023

Writing an essay on climate change is crucial to raise awareness and advocate for action. The world is facing environmental challenges, so in a situation like this such essay topics can serve as s platform to discuss the causes, effects, and solutions to this pressing issue. They offer an opportunity to engage readers in understanding the urgency of mitigating climate change for the sake of our planet’s future.

Must Read: Essay On Environment  

Table of Contents

• 1 What Is Climate Change?
• 2 What are the Causes of Climate Change?
• 3 What are the effects of Climate Change?
• 4 How to fight climate change?
• 5 Essay On Climate Change in 100 Words
• 6 Climate Change Sample Essay 250 Words

What Is Climate Change?

Climate change is the significant variation of average weather conditions becoming, for example, warmer, wetter, or drier—over several decades or longer. It may be natural or anthropogenic. However, in recent times, it’s been in the top headlines due to escalations caused by human interference.

What are the Causes of Climate Change?

Obama at the First Session of COP21 rightly quoted “We are the first generation to feel the impact of climate change, and the last generation that can do something about it.”.Identifying the causes of climate change is the first step to take in our fight against climate change. Below stated are some of the causes of climate change:

• Greenhouse Gas Emissions: Mainly from burning fossil fuels (coal, oil, and natural gas) for energy and transportation.
• Deforestation: The cutting down of trees reduces the planet’s capacity to absorb carbon dioxide.
• Industrial Processes: Certain manufacturing activities release potent greenhouse gases.
• Agriculture: Livestock and rice cultivation emit methane, a potent greenhouse gas.

What are the effects of Climate Change?

Climate change poses a huge risk to almost all life forms on Earth. The effects of climate change are listed below:

• Global Warming: Increased temperatures due to trapped heat from greenhouse gases.
• Melting Ice and Rising Sea Levels: Ice caps and glaciers melt, causing oceans to rise.
• Extreme Weather Events: More frequent and severe hurricanes, droughts, and wildfires.
• Ocean Acidification: Oceans absorb excess CO2, leading to more acidic waters harming marine life.
• Disrupted Ecosystems: Shifting climate patterns disrupt habitats and threaten biodiversity.
• Food and Water Scarcity: Altered weather affects crop yields and strains water resources.
• Human Health Risks: Heat-related illnesses and the spread of diseases.
• Economic Impact: Damage to infrastructure and increased disaster-related costs.
• Migration and Conflict: Climate-induced displacement and resource competition.

How to fight climate change?

‘Climate change is a terrible problem, and it absolutely needs to be solved. It deserves to be a huge priority,’ says Bill Gates. The below points highlight key actions to combat climate change effectively.

• Energy Efficiency: Improve energy efficiency in all sectors.
• Protect Forests: Stop deforestation and promote reforestation.
• Sustainable Agriculture: Adopt eco-friendly farming practices.
• Advocacy: Raise awareness and advocate for climate-friendly policies.
• Innovation: Invest in green technologies and research.
• Government Policies: Enforce climate-friendly regulations and targets.
• Corporate Responsibility: Encourage sustainable business practices.
• Individual Action: Reduce personal carbon footprint and inspire others.

Essay On Climate Change in 100 Words

Climate change refers to long-term alterations in Earth’s climate patterns, primarily driven by human activities, such as burning fossil fuels and deforestation, which release greenhouse gases into the atmosphere. These gases trap heat, leading to global warming. The consequences of climate change are widespread and devastating. Rising temperatures cause polar ice caps to melt, contributing to sea level rise and threatening coastal communities. Extreme weather events, like hurricanes and wildfires, become more frequent and severe, endangering lives and livelihoods. Additionally, shifts in weather patterns can disrupt agriculture, leading to food shortages. To combat climate change, global cooperation, renewable energy adoption, and sustainable practices are crucial for a more sustainable future.

Must Read: Essay On Global Warming

Climate Change Sample Essay 250 Words

Climate change represents a pressing global challenge that demands immediate attention and concerted efforts. Human activities, primarily the burning of fossil fuels and deforestation, have significantly increased the concentration of greenhouse gases in the atmosphere. This results in a greenhouse effect, trapping heat and leading to a rise in global temperatures, commonly referred to as global warming.

The consequences of climate change are far-reaching and profound. Rising sea levels threaten coastal communities, displacing millions and endangering vital infrastructure. Extreme weather events, such as hurricanes, droughts, and wildfires, have become more frequent and severe, causing devastating economic and human losses. Disrupted ecosystems affect biodiversity and the availability of vital resources, from clean water to agricultural yields.

Moreover, climate change has serious implications for food and water security. Changing weather patterns disrupt traditional farming practices and strain freshwater resources, potentially leading to conflicts over access to essential commodities.

Addressing climate change necessitates a multifaceted approach. First, countries must reduce their greenhouse gas emissions through the transition to renewable energy sources, increased energy efficiency, and reforestation efforts. International cooperation is crucial to set emission reduction targets and hold nations accountable for meeting them.

In conclusion, climate change is a global crisis with profound and immediate consequences. Urgent action is needed to mitigate its impacts and secure a sustainable future for our planet. By reducing emissions and implementing adaptation strategies, we can protect vulnerable communities, preserve ecosystems, and ensure a livable planet for future generations. The time to act is now.

Climate change refers to long-term shifts in Earth’s climate patterns, primarily driven by human activities like burning fossil fuels and deforestation.

Five key causes of climate change include excessive greenhouse gas emissions from human activities, notably burning fossil fuels and deforestation. 

We hope this blog gave you an idea about how to write and present an essay on climate change that puts forth your opinions. The skill of writing an essay comes in handy when appearing for standardized language tests. Thinking of taking one soon? Leverage Edu provides the best online test prep for the same via Leverage Live . Register today to know more!

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Here are the most effective things you can do to fight climate change

PhD Student, University of Leeds

Disclosure statement

Max Callaghan does not work for, consult, own shares in or receive funding from any company or organisation that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

University of Leeds provides funding as a founding partner of The Conversation UK.

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Limiting global warming to 1.5°C above pre-industrial levels requires reaching net zero emissions by the middle of this century. This means that, in less than three decades, we need to reverse more than a century of rising emissions and bring annual emissions down to near zero, while balancing out all remaining unavoidable emissions by actively removing carbon from the atmosphere.

To help speed this process as individuals, we’ve got to do everything we can to cut down our use of fossil fuels. But many people aren’t aware of the most effective ways to do this. Thankfully, the latest report by the UN climate change panel IPCC devotes a chapter to all the ways in which changes in people’s behaviour can accelerate the transition to net zero.

The chapter includes an analysis of 60 individual actions which can help fight climate change, building on research led by Diana Ivanova at the University of Leeds – and to which I contributed. We grouped these actions into three areas: avoiding consumption, shifting consumption and improving consumption (making it more efficient). The charts below, produced for the IPCC report , show what we found.

What to avoid

By far the most effective things to avoid involve transport. Living without a car reduces greenhouse gas emissions by an average of 2 tonnes of CO₂ emissions per person per year, while avoiding a single long distance return flight cuts emissions by an average of 1.9 tonnes. That’s equivalent to driving a typical EU car more than 16,000km from Hamburg, Germany to Ulaanbaatar, Mongolia and back.

Since the vast majority of the world’s population do not fly at all – and of those who do, only a small percentage fly frequently – fliers can make very substantial reductions to their carbon footprints with each flight they avoid.

What to shift

But living sustainably is not just about giving things up. Large reductions in emissions can be achieved by shifting to a different way of doing things. Because driving is so polluting, for example, shifting to public transport , walking or cycling can make an enormous change, with added benefits for your personal health and local air pollution levels.

Likewise, because of the high emissions associated with meat and dairy – particularly those produced by farming sheep and cows – shifting towards more sustainable diets can substantially reduce your carbon footprint. A totally vegan diet is the most effective way to do this, but sizeable savings can be made simply by switching from beef and lamb to pork and chicken.

What to improve

Finally, the things we do already could be made more efficient by improving carbon efficiency at home: for example by using insulation and heat pumps , or producing your own renewable energy by installing solar panels . Switching from a combustion car to an electric one – ideally a battery EV, which generates much larger reductions in emissions than hybrid or fuel cell EVs – will make your car journeys more efficient. Plus, its effect on emissions will increase as time goes by and the amount of electricity generated by renewables grows.

In the race to net zero, every tonne of CO₂ really does count. If more of us take even a few of these suggestions into account, we’re collectively more likely to be able to achieve the ambitious goals set out in the Paris climate agreement . Of course, these changes will need to be backed by major political action on sustainability at the same time.

If we’re to use less fossil fuel energy, the use of fossil fuels needs to be either restricted or made more expensive. The social consequences of this need to be carefully managed so that carbon pricing schemes can benefit people on lower incomes: which can happen if revenues are redistributed to take the financial burden off poorer households.

But there’s a whole lot more that governments could do to help people to live more sustainably, such as providing better, safer public transport and “ active travel ” infrastructure (such as bike lanes and pedestrian zones) so that people have alternatives to driving and flying.

There’s no avoiding the fact that if political solutions are to address climate change with the urgency our global situation requires, these solutions will limit the extent to which we can indulge in carbon-intensive behaviours. More than anything, we must vote into power those prepared to make such tough decisions for the sake of our planet’s future.

Don’t have time to read about climate change as much as you’d like? Get a weekly roundup in your inbox instead. Every Wednesday, The Conversation’s environment editor writes Imagine, a short email that goes a little deeper into just one climate issue. Join the 10,000+ readers who’ve subscribed so far.

• Fossil fuels
• Climate change
• Renewable energy
• Sustainability
• Public transport
• Sustainable living
• climate mitigation
• Greenhouse gas emissions (GHG)

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November 26, 2007

10 Solutions for Climate Change

Ten possibilities for staving off catastrophic climate change

By David Biello

Mark Garlick Getty Images

The enormity of global warming can be daunting and dispiriting. What can one person, or even one nation, do on their own to slow and reverse climate change ? But just as ecologist Stephen Pacala and physicist Robert Socolow, both at Princeton University, came up with 15 so-called " wedges " for nations to utilize toward this goal—each of which is challenging but feasible and, in some combination, could reduce greenhouse gas emissions to safer levels —there are personal lifestyle changes that you can make too that, in some combination, can help reduce your carbon impact. Not all are right for everybody. Some you may already be doing or absolutely abhor. But implementing just a few of them could make a difference.

Forego Fossil Fuels —The first challenge is eliminating the burning of coal , oil and, eventually, natural gas. This is perhaps the most daunting challenge as denizens of richer nations literally eat, wear, work, play and even sleep on the products made from such fossilized sunshine. And citizens of developing nations want and arguably deserve the same comforts, which are largely thanks to the energy stored in such fuels.

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Oil is the lubricant of the global economy, hidden inside such ubiquitous items as plastic and corn, and fundamental to the transportation of both consumers and goods. Coal is the substrate, supplying roughly half of the electricity used in the U.S. and nearly that much worldwide—a percentage that is likely to grow, according to the International Energy Agency. There are no perfect solutions for reducing dependence on fossil fuels (for example, carbon neutral biofuels can drive up the price of food and lead to forest destruction, and while nuclear power does not emit greenhouse gases, it does produce radioactive waste), but every bit counts.

So try to employ alternatives when possible—plant-derived plastics, biodiesel, wind power—and to invest in the change, be it by divesting from oil stocks or investing in companies practicing carbon capture and storage.

Infrastructure Upgrade —Buildings worldwide contribute around one third of all greenhouse gas emissions (43 percent in the U.S. alone), even though investing in thicker insulation and other cost-effective, temperature-regulating steps can save money in the long run. Electric grids are at capacity or overloaded, but power demands continue to rise. And bad roads can lower the fuel economy of even the most efficient vehicle. Investing in new infrastructure, or radically upgrading existing highways and transmission lines, would help cut greenhouse gas emissions and drive economic growth in developing countries.

Of course, it takes a lot of cement, a major source of greenhouse gas emissions, to construct new buildings and roads. The U.S. alone contributed 50.7 million metric tons of carbon dioxide to the atmosphere in 2005 from cement production, which requires heating limestone and other ingredients to 1,450 degrees Celsius (2,642 degrees Fahrenheit). Mining copper and other elements needed for electrical wiring and transmission also causes globe-warming pollution.

But energy-efficient buildings and improved cement-making processes (such as using alternative fuels to fire up the kiln) could reduce greenhouse gas emissions in the developed world and prevent them in the developing world.

Move Closer to Work —Transportation is the second leading source of greenhouse gas emissions in the U.S. (burning a single gallon of gasoline produces 20 pounds of CO 2 ). But it doesn't have to be that way.

One way to dramatically curtail transportation fuel needs is to move closer to work, use mass transit, or switch to walking, cycling or some other mode of transport that does not require anything other than human energy. There is also the option of working from home and telecommuting several days a week.

Cutting down on long-distance travel would also help, most notably airplane flights, which are one of the fastest growing sources of greenhouse gas emissions and a source that arguably releases such emissions in the worst possible spot (higher in the atmosphere). Flights are also one of the few sources of globe-warming pollution for which there isn't already a viable alternative: jets rely on kerosene, because it packs the most energy per pound, allowing them to travel far and fast, yet it takes roughly 10 gallons of oil to make one gallon of JetA fuel. Restricting flying to only critical, long-distance trips—in many parts of the world, trains can replace planes for short- to medium-distance trips—would help curb airplane emissions.

Consume Less —The easiest way to cut back on greenhouse gas emissions is simply to buy less stuff. Whether by forgoing an automobile or employing a reusable grocery sack, cutting back on consumption results in fewer fossil fuels being burned to extract, produce and ship products around the globe.

Think green when making purchases. For instance, if you are in the market for a new car, buy one that will last the longest and have the least impact on the environment. Thus, a used vehicle with a hybrid engine offers superior fuel efficiency over the long haul while saving the environmental impact of new car manufacture.

Paradoxically, when purchasing essentials, such as groceries, buying in bulk can reduce the amount of packaging—plastic wrapping, cardboard boxes and other unnecessary materials. Sometimes buying more means consuming less.

Be Efficient —A potentially simpler and even bigger impact can be made by doing more with less. Citizens of many developed countries are profligate wasters of energy, whether by speeding in a gas-guzzling sport-utility vehicle or leaving the lights on when not in a room.

Good driving—and good car maintenance, such as making sure tires are properly inflated—can limit the amount of greenhouse gas emissions from a vehicle and, perhaps more importantly, lower the frequency of payment at the pump.

Similarly, employing more efficient refrigerators, air conditioners and other appliances, such as those rated highly under the U.S. Environmental Protection Agency's Energy Star program, can cut electric bills while something as simple as weatherproofing the windows of a home can reduce heating and cooling bills. Such efforts can also be usefully employed at work, whether that means installing more efficient turbines at the power plant or turning the lights off when you leave the office .

Eat Smart, Go Vegetarian? —Corn grown in the U.S. requires barrels of oil for the fertilizer to grow it and the diesel fuel to harvest and transport it. Some grocery stores stock organic produce that do not require such fertilizers, but it is often shipped from halfway across the globe. And meat, whether beef, chicken or pork, requires pounds of feed to produce a pound of protein.

Choosing food items that balance nutrition, taste and ecological impact is no easy task. Foodstuffs often bear some nutritional information, but there is little to reveal how far a head of lettuce, for example, has traveled.

University of Chicago researchers estimate that each meat-eating American produces 1.5 tons more greenhouse gases through their food choice than do their vegetarian peers. It would also take far less land to grow the crops necessary to feed humans than livestock, allowing more room for planting trees.

Stop Cutting Down Trees —Every year, 33 million acres of forests are cut down . Timber harvesting in the tropics alone contributes 1.5 billion metric tons of carbon to the atmosphere. That represents 20 percent of human-made greenhouse gas emissions and a source that could be avoided relatively easily.

Improved agricultural practices along with paper recycling and forest management—balancing the amount of wood taken out with the amount of new trees growing—could quickly eliminate this significant chunk of emissions.

And when purchasing wood products, such as furniture or flooring, buy used goods or, failing that, wood certified to have been sustainably harvested. The Amazon and other forests are not just the lungs of the earth, they may also be humanity's best short-term hope for limiting climate change.

Unplug —Believe it or not, U.S. citizens spend more money on electricity to power devices when off than when on. Televisions, stereo equipment, computers, battery chargers and a host of other gadgets and appliances consume more energy when seemingly switched off, so unplug them instead.

Purchasing energy-efficient gadgets can also save both energy and money—and thus prevent more greenhouse gas emissions. To take but one example, efficient battery chargers could save more than one billion kilowatt-hours of electricity—$100 million at today's electricity prices—and thus prevent the release of more than one million metric tons of greenhouse gases.

Swapping old incandescent lightbulbs for more efficient replacements, such as compact fluorescents (warning: these lightbulbs contain mercury and must be properly disposed of at the end of their long life), would save billions of kilowatt-hours. In fact, according to the EPA, replacing just one incandescent lightbulb in every American home would save enough energy to provide electricity to three million American homes.

One Child —There are at least 6.6 billion people living today, a number that is predicted by the United Nations to grow to at least nine billion by mid-century. The U.N. Environmental Program estimates that it requires 54 acres to sustain an average human being today—food, clothing and other resources extracted from the planet. Continuing such population growth seems unsustainable.

Falling birth rates in some developed and developing countries (a significant portion of which are due to government-imposed limits on the number of children a couple can have) have begun to reduce or reverse the population explosion. It remains unclear how many people the planet can comfortably sustain, but it is clear that per capita energy consumption must go down if climate change is to be controlled.

Ultimately, a one child per couple rule is not sustainable either and there is no perfect number for human population. But it is clear that more humans means more greenhouse gas emissions.

Future Fuels —Replacing fossil fuels may prove the great challenge of the 21st century. Many contenders exist, ranging from ethanol derived from crops to hydrogen electrolyzed out of water, but all of them have some drawbacks, too, and none are immediately available at the scale needed.

Biofuels can have a host of negative impacts, from driving up food prices to sucking up more energy than they produce. Hydrogen must be created, requiring either reforming natural gas or electricity to crack water molecules. Biodiesel hybrid electric vehicles (that can plug into the grid overnight) may offer the best transportation solution in the short term, given the energy density of diesel and the carbon neutral ramifications of fuel from plants as well as the emissions of electric engines. A recent study found that the present amount of electricity generation in the U.S. could provide enough energy for the country's entire fleet of automobiles to switch to plug-in hybrids , reducing greenhouse gas emissions in the process.

But plug-in hybrids would still rely on electricity, now predominantly generated by burning dirty coal. Massive investment in low-emission energy generation, whether solar-thermal power or nuclear fission , would be required to radically reduce greenhouse gas emissions. And even more speculative energy sources—hyperefficient photovoltaic cells, solar energy stations in orbit or even fusion—may ultimately be required.

The solutions above offer the outline of a plan to personally avoid contributing to global warming. But should such individual and national efforts fail, there is another, potentially desperate solution:

Experiment Earth —Climate change represents humanity's first planetwide experiment. But, if all else fails, it may not be the last. So-called geoengineering , radical interventions to either block sunlight or reduce greenhouse gases, is a potential last resort for addressing the challenge of climate change.

Among the ideas: releasing sulfate particles in the air to mimic the cooling effects of a massive volcanic eruption; placing millions of small mirrors or lenses in space to deflect sunlight; covering portions of the planet with reflective films to bounce sunlight back into space; fertilizing the oceans with iron or other nutrients to enable plankton to absorb more carbon; and increasing cloud cover or the reflectivity of clouds that already form.

All may have unintended consequences, making the solution worse than the original problem. But it is clear that at least some form of geoengineering will likely be required: capturing carbon dioxide before it is released and storing it in some fashion, either deep beneath the earth, at the bottom of the ocean or in carbonate minerals. Such carbon capture and storage is critical to any serious effort to combat climate change.

Additional reporting by Larry Greenemeier and Nikhil Swaminathan .

Can we slow or even reverse global warming?

Yes.  While we cannot stop global warming overnight, we can slow the rate and limit the amount of global warming by reducing human emissions of heat-trapping gases and soot (“black carbon”). 

If all human emissions of heat-trapping gases were to stop today, Earth’s temperature would continue to rise for a few decades as ocean currents bring excess heat stored in the deep ocean back to the surface.  Once this excess heat radiated out to space, Earth’s temperature would stabilize. Experts think the additional warming from this “hidden” heat are unlikely to exceed 0.9° Fahrenheit (0.5°Celsius). With no further human influence, natural processes would begin to slowly remove the excess carbon dioxide from the atmosphere, and global temperatures would gradually begin to decline.

Change in heat content in the upper 2,300 feet (700 meters) of the ocean from 1993-2020. Between 1993–2019, heat content rose by up to 6 Watts per square meter in parts of the ocean (dark orange). Some areas lost heat (blue), but overall, the ocean gained more heat than it lost. The changes in areas covered with the gray shading were not statistically significant. NOAA Climate.gov image, based on data from NCEI.

It’s true that without dramatic action in the next couple of decades, we are unlikely to keep global warming in this century below 2.7° Fahrenheit (1.5° Celsius) compared to pre-industrial temperatures—a threshold that experts say offers a lower risk of serious negative impacts. But the more we overshoot that threshold, the more serious and widespread the negative impacts will be, which means that it is never “too late” to take action.

In response to a request from the U.S. Congress, the U.S. National Academy of Sciences published a series of peer-reviewed reports, titled  America's Climate Choices , to provide authoritative analyses to inform and guide responses to climate change across the nation. Relevant to this question, the NAS report titled  Limiting the Magnitude of Future Climate Change  explains policies that could be adopted to slow or even reverse global warming. The report says, "Meeting internationally discussed targets for limiting atmospheric greenhouse gas concentrations and associated increases in global average temperatures will require a major departure from business as usual in how the world uses and produces energy."

Transitioning to energy sources that do not emit greenhouse gases, such as solar, wind, biofuels, and nuclear, can slow the pace of climate change, though these energy sources face hurdles ranging from manufacturing capacity to debates about where to install some facilities. Images courtesy Energy.gov.

Alternative methods to slow or reduce global warming have been proposed that are, collectively, known as "climate engineering" or "geoengineering." Some geoengineering proposals involve cooling Earth's surface by injecting reflective particles into the upper atmosphere to scatter and reflect sunlight back to space. Other proposals involve seeding the oceans with iron to stimulate large-scale phytoplankton blooms, thereby drawing down carbon dioxide out of the atmosphere through photosynthesis. Such methods could work, in principle, but many climate scientists oppose undertaking geoengineering until we have a much better understanding of the possible side effects. Additionally, there are unresolved legal and ethical issues surrounding geoengineering.

Given these concerns, the  American Meteorological Society published a position paper  (readopted in January 2013) in which it said: "...research to date has not determined whether there are large-scale geoengineering approaches that would produce significant benefits, or whether those benefits would substantially outweigh the detriments. Indeed, geoengineering must be viewed with caution because manipulating the Earth system has considerable potential to trigger adverse and unpredictable consequences."

Martinich, J., B.J. DeAngelo, D. Diaz, B. Ekwurzel, G. Franco, C. Frisch, J. McFarland, and B. O’Neill. (2018). Reducing Risks Through Emissions Mitigation. In  Impacts, Risks, and Adaptation in the United States: Fourth National Climate Assessment, Volume II  [Reidmiller, D.R., C.W. Avery, D.R. Easterling, K.E. Kunkel, K.L.M. Lewis, T.K. Maycock, and B.C. Stewart (eds.)]. U.S. Global Change Research Program, Washington, DC, USA, pp. 1346–1386. doi:  10.7930/NCA4.2018.CH29 .

Allen, M.R., O.P. Dube, W. Solecki, F. Aragón-Durand, W. Cramer, S. Humphreys, M. Kainuma, J. Kala, N. Mahowald, Y. Mulugetta, R. Perez, M.Wairiu, and K. Zickfeld (2018). Framing and Context. In: Global Warming of 1.5°C. An IPCC Special Report on the impacts of global warming of 1.5°C above pre-industrial levels and related global greenhouse gas emission pathways, in the context of strengthening the global response to the threat of climate change, sustainable development, and efforts to eradicate poverty [Masson-Delmotte, V., P. Zhai, H.-O. Pörtner, D. Roberts, J. Skea, P.R. Shukla, A. Pirani, W. Moufouma-Okia, C. Péan, R. Pidcock, S. Connors, J.B.R. Matthews, Y. Chen, X. Zhou, M.I. Gomis, E. Lonnoy, T. Maycock, M. Tignor, and T. Waterfield (eds.)]. In Press.

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How You Can Stop Global Warming

Healing the planet starts in your garage, in your kitchen, and at your dining room table.

Weatherizing doors and windows by sealing drafts can make your home more energy efficient.

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Rising sea levels. Raging storms. Searing heat. Ferocious fires. Severe drought. Punishing floods. The effects of climate change are already threatening our health, our communities, our economy, our security, and our children’s future.

What can you do? A whole lot, as it turns out. Americans, on average, produce 21 tons of carbon a year, about four times the global average. Personal action is, of course, no substitute for meaningful government policies. We still must limit carbon pollution and aggressively move away from dirty fossil fuels toward cleaner power.

But it’s important to remember the equally vital contributions that can be made by private citizens—which is to say, by you. “Change only happens when individuals take action,” says clean energy advocate Aliya Haq. “There’s no other way, if it doesn’t start with people.”

Here are a dozen easy, effective ways each one of us can make a difference.

1. Speak up!

What’s the single biggest way you can make an impact on global climate change? “Talk to your friends and family, and make sure your representatives are making good decisions,” Haq says. By voicing your concerns—via social media or, better yet, directly to your elected officials —you send a message that you care about the warming world. Encourage Congress to enact new laws that limit carbon emissions and require polluters to pay for the emissions they produce. “The main reason elected officials do anything difficult is because their constituents make them,” Haq says. You can help protect public lands, stop offshore drilling, and more here .

2. Power your home with renewable energy.

Choose a utility company that generates at least half its power from wind or solar and has been certified by Green-e Energy , an organization that vets renewable energy options. If that isn’t possible for you, take a look at your electric bill; many utilities now list other ways to support renewable sources on their monthly statements and websites.

3. Weatherize, weatherize, weatherize.

“Building heating and cooling are among the biggest uses of energy,” Haq says. Indeed, heating and air-conditioning account for almost half of home energy use. You can make your space more energy efficient by sealing drafts and ensuring it’s adequately insulated. You can also claim federal tax credits for many energy efficiency home improvements. To help you figure out where to start, you could also get a home energy audit, which some utilities offer free of charge. (Alternatively, you can hire a professional to come to your home and perform one; the Inflation Reduction Act offers a partial tax credit for this.) The EPA’s Home Energy Yardstick gives you a simple assessment of your home’s annual energy use compared with similar homes.

4. Invest in energy-efficient appliances.

Since they were first implemented nationally in 1987, efficiency standards for dozens of appliances and products have kept 2.3 billion tons of carbon dioxide out of the air. That’s about the same amount as the annual carbon pollution coughed up by nearly 440 million cars. “Energy efficiency is the lowest-cost way to reduce emissions,” Haq says. When shopping for refrigerators, washing machines, heat pump water heaters , and other appliances, look for the Energy Star label. It will tell you which are the most efficient. (There may also be rebates to earn from your purchase of Energy Star–certified products.)

And when you’re ready to swap out your old machines, don’t just put them on the curb: Recycling an old refrigerator through the EPA’s Responsible Appliance Disposal Program can prevent an additional 10,000 pounds of carbon pollution because the global-warming pollutants in the refrigerants and foam would be properly captured rather than vented to the air.

5. Reduce water waste.

Saving water reduces carbon pollution, too. That's because it takes a lot of energy to pump, heat, and treat your water. So take shorter showers, turn off the tap while brushing your teeth, and switch to WaterSense -labeled fixtures and appliances. The EPA estimates that if just one out of every 100 American homes were retrofitted with water-efficient fixtures, about 100 million kilowatt-hours of electricity per year would be saved—avoiding 80,000 tons of global warming pollution .

6. Actually eat the food you buy—and compost what you can’t.

Approximately 10 percent of U.S. energy use goes into growing, processing, packaging, and shipping food—about 40 percent of which winds up in the landfill. “If you’re wasting less food, you’re likely cutting down on energy consumption,” Haq says. As for the scraps you can’t eat or the leftovers you don’t get to, collect them in a compost bin instead of sending them to the landfill where they release methane. Recycling food and other organic waste into compost provides a range of environmental benefits, including improving soil health, reducing greenhouse gas emissions, recycling nutrients, and mitigating the impact of droughts.

7. Buy better bulbs.

LED light bulbs use one-sixth the amount of energy to deliver the same amount of light as conventional incandescents and last at least 10 times longer. They’re also cheaper in the long run: A 10-watt LED that replaces your traditional 60-watt bulb will save you $125 over the light bulb’s life. And because the average American home has around 40 to 50 light bulbs, this is a simple swap that will reap huge rewards. If every household in the United States replaced just one incandescent with an Energy Star–labeled LED, we would prevent seven billion pounds of carbon pollution per year. That’s equivalent to the emissions of about 648,000 cars.

8. Pull the plug(s).

Taken together, the outlets in your home are likely powering about 65 devices—an average load for a home in the United States. Audio and video devices, cordless vacuums and power tools, and other electronics use energy even when they're not charging. This "idle load" across all U.S. households adds up to the output of 50 large power plants in the country . So don't leave fully charged devices plugged into your home's outlets, unplug rarely used devices or plug them into power strips and timers, and adjust your computers and monitors to automatically power down to the lowest power mode when not in use.

9. Drive a fuel-efficient vehicle.

Gas-smart cars, such as hybrids and fully electric vehicles, save fuel and money . And once all cars and light trucks meet 2025’s clean car standards, which means averaging 54.5 miles per gallon, they’ll be a mainstay. For good reason: Relative to a national fleet of vehicles that averaged only 28.3 miles per gallon in 2011, Americans will spend $80 billion less at the pump each year and cut their automotive emissions by half. Before you buy a new set of wheels, compare fuel-economy performance here .

10. Maintain your ride.

If all Americans kept their tires properly inflated, we could save 1.2 billion gallons of gas each year. A simple tune-up can boost miles per gallon anywhere from 4 percent to 40 percent, and a new air filter can get you a 10 percent boost. Also, remove unnecessary accessories from your car roof. Roof racks and clamshell storage containers can reduce fuel efficiency by as much as 5 percent.

11. Rethink planes, trains, and automobiles.

Choosing to live in walkable smart-growth cities and towns with quality public transportation leads to less driving, less money spent on fuel, and less pollution in the air . Less frequent flying can make a big difference, too. “Air transport is a major source of climate pollution,” Haq says. “If you can take a train instead, do that.” If you must fly, consider purchasing carbon offsets to counterbalance the hefty carbon pollution associated with flying. But not all carbon offset companies are alike. Do your homework to find the best supplier.

12. Reduce, reuse, and recycle.

In the United States, the average person generates 4.5 pounds of trash every day. Fortunately, not all the items we discard end up in landfills; we recycle or compost more than one-third of our trash. In 2014 this saved carbon emissions equivalent to the yearly output of 38 million passenger cars . But we could be doing so much more. “ Reduce should always be the number-one priority,” says NRDC senior resource specialist Darby Hoover . And to reap the environmental benefits of “recyclable” goods, you must recycle according to the rules of your municipality, since systems vary widely by location . Search your municipality’s sanitation department (or equivalent) webpage to learn exactly what you can place in the recycling bin, as counties and cities often differ in what they accept.

This story was originally published on April 20, 2022 and has been updated with new information and links.

This NRDC.org story is available for online republication by news media outlets or nonprofits under these conditions: The writer(s) must be credited with a byline; you must note prominently that the story was originally published by NRDC.org and link to the original; the story cannot be edited (beyond simple things such as grammar); you can’t resell the story in any form or grant republishing rights to other outlets; you can’t republish our material wholesale or automatically—you need to select stories individually; you can’t republish the photos or graphics on our site without specific permission; you should drop us a note to let us know when you’ve used one of our stories.

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A sunset lights a glacier in New Zealand's Fiordland National Park. Around the world, many glaciers are melting quickly as the planet warms.

• ENVIRONMENT

Are there real ways to fight climate change? Yes.

Humans have the solutions to fight a global environmental crisis. Do we have the will?

The evidence that humans are causing climate change, with drastic consequences for life on the planet, is overwhelming .

Experts began raising the alarm about global warming in 1979 , a change now referred to under the broader term climate change , preferred by scientists to describe the complex shifts now affecting our planet’s weather and climate systems. Climate change encompasses not only rising average temperatures but also extreme weather events, shifting wildlife populations and habitats, rising seas , and a range of other impacts.  

Over 200 countries—193 countries plus the 27 members of the European Union—have signed the Paris Climate Agreement , a treaty created in 2015 to fight climate change on a global scale. The Intergovernmental Panel on Climate Change (IPCC), which synthesizes the scientific consensus on the issue, has set a goal of keeping warming under 2°C (3.6°F) and pursuing an even lower warming cap of 1.5 °C (2.7° F).

But no country has created policies that will keep the world below 1.5 °C, according to the Climate Action Tracker . Current emissions have the world on track to warm 2.8°C by the end of this century.  

Addressing climate change will require many solutions —there's no magic bullet. Yet nearly all of these solutions exist today. They range from worldwide changes to where we source our electricity to protecting forests from deforestation.  

The promise of new technology

Better technology will help reduce emissions from activities like manufacturing and driving.  

Scientists are working on ways to sustainably produce hydrogen, most of which is currently derived from natural gas, to feed zero-emission fuel cells for transportation and electricity.  

Renewable energy is growing, and in the U.S., a combination of wind, solar, geothermal, and other renewable sources provide 20 percen t of the nation’s electricity.  

New technological developments promise to build better batteries to store that renewable energy, engineer a smarter electric grid, and capture carbon dioxide from power plants and store it underground or turn it into valuable products such as gasoline . Some argue that nuclear power—despite concerns over safety, water use, and toxic waste—should also be part of the solution, because nuclear plants don't contribute any direct air pollution while operating.

Should we turn to geoengineering?

While halting new greenhouse gas emissions is critical, scientists say we need to extract existing carbon dioxide from the atmosphere, effectively sucking it out of the sky.  

Pulling carbon out of the atmosphere is a type of geoengineering , a science that interferes with the Earth’s natural systems, and it’s a controversial approach to fighting climate change.

Other types of geoengineering involve spraying sunlight-reflecting aerosols into the air or blocking the sun with a giant space mirror. Studies suggest we don’t know enough about the potential dangers of geoengineering to deploy it.

Restoring nature to protect the planet  

Planting trees, restoring seagrasses, and boosting the use of agricultural cover crops could help clean up significant amounts of carbon dioxide .  

The Amazon rainforest is an important reservoir of the Earth’s carbon, but a study published in 2021, showed deforestation was transforming this reservoir into a source of pollution.  

Restoring and protecting nature may provide as much as   37 percent of the climate mitigation needed to reach the Paris Agreement’s 203o targets. Protecting these ecosystems can also benefit biodiversity, providing a win-win for nature .

Adapt—or else

Communities around the world are already recognizing that adaptation must also be part of the response to climate change . From flood-prone coastal towns to regions facing increased droughts and fires, a new wave of initiatives focuses on boosting resilience . Those include managing or preventing land erosion, building microgrids and other energy systems built to withstand disruptions, and designing buildings with rising sea levels in mind.

Last year, the Inflation Reduction Act was signed into law and was a historic investment in fighting and adapting to climate change.

( Read more about how the bill will dramatically reduce emissions. )

Recent books such as Drawdown and Designing Climate Solutions have proposed bold yet simple plans for reversing our current course. The ideas vary, but the message is consistent: We already have many of the tools needed to address climate change. Some of the concepts are broad ones that governments and businesses must implement, but many other ideas involve changes that anyone can make— eating less   meat , for example, or rethinking your modes of transport .

"We have the technology today to rapidly move to a clean energy system," write the authors of Designing Climate Solutions . "And the price of that future, without counting environmental benefits, is about the same as that of a carbon-intensive future."

Sarah Gibbens contributed reporting to this article.

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• CLIMATE CHANGE
• ENVIRONMENT AND CONSERVATION
• AIR POLLUTION
• RENEWABLE ENERGY

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New to Climate Change?

What can be done about climate change.

It is not too late to take action on climate change.

The Science

Given what we know about the threats that climate change poses to humans, we must take swift action. As a global community, we need to soon level off—and then decrease—the amount of carbon dioxide (CO 2 ) and other greenhouse gases in the atmosphere. The faster we do this, the less damage we will cause to our world and our way of life.

Stopping the Rise in CO2

The fastest way to address the buildup of CO 2 in the atmosphere is to stop adding more. Many vital parts of our economy emit huge amounts of greenhouse gases: the way we generate electricity and heat for our buildings and industry; the oil we burn to power our cars, trucks and planes; the refrigerants we use to preserve our food and cool our buildings; and the intensive manufacturing processes for making concrete and steel .

And yet there are many ways to reduce the CO 2 from these sectors. We can replace high-emitting fuels like coal, oil and gas with nearly “carbon-free” alternatives, such as solar power , wind power , or nuclear power . We can capture the CO 2 from fossil fuel power and manufacturing plants and store it underground. We can also update our buildings and infrastructure, so that it takes less energy to build and use them.

We can add to these efforts by trying to remove some of the CO 2 that is already in the atmosphere: for instance, by reforesting the Earth, by changing our farming practices to store more carbon in the soil , or through “direct air capture” technology. However, these methods will likely not be able to remove CO 2 quicker than we are now adding it to the atmosphere. We must begin with stopping our runaway greenhouse gas emissions.

Adapting to Change

Because human activity has already added such a large amount of greenhouse gases to the atmosphere, the world is now experiencing the early effects of climate change. We need to prepare for and adapt to these changes, so that we can protect human health, water and food supplies, our cities and towns , and natural habitats. A new field of work has emerged to reinforce coastlines to shield them from rising oceans , grow new crops to match regions’ changing climates, protect our infrastructure from wildfires and hurricanes , and plan for shifting supplies of water and food.

Today, these tasks are still manageable. If we get ahead of the regional changes we know are coming, and if we put the needs of the poorest and most vulnerable first, very few parts of the world will be irreparably damaged by the climate change we have already caused.

But unless we also actively cut our greenhouse gas emissions, unchecked climate change could eventually put safe and just adaptation beyond our reach. This possibility has led some scientists to study more extreme and controversial options, like geoengineering; for example, there are proposals that would try to artificially cool the Earth to counter some of the effects of climate change. Urgent action is needed to avoid the need for these riskier options.

Driving Solutions

Great progress can and must be achieved with the low-carbon technologies we have today. And all of us can help speed the pace at which these technologies take root and spread. Individuals can change their behavior and advocate for ambitious new policies. Corporations can drive change across whole industries. Governments can enact laws to make it easier and cheaper to cut greenhouse gas emissions, and to help communities prepare for new challenges. And intergovernmental agreements such as the Paris Agreement have already created a strong framework for international cooperation and aggressive action, if governments around the world step up their commitments .

At the same time, the world does not have a true alternative to fossil fuels that can meet all our current energy needs, let alone meet an increased demand in the future. We severely lack the suite of solutions to address climate change at an economic and social cost that we can agree to bear.

A tremendous amount of work is taking place at MIT and other scientific and engineering institutions around the world to develop these options, in collaboration with the industries and communities that can deploy and scale them. But to quicken the pace of technological breakthroughs, policymakers need to set the stage now for game-changing advances in multiple fields of science, technology, and policy. To take on the hardest challenges in reducing our emissions, in removing CO 2 from the atmosphere, and in adapting to a changing climate, we urgently need new tools.

Seizing the Opportunity

The MIT community fundamentally agrees that climate change presents grave risks that demand society’s urgent attention. The challenge requires an aggressive and pragmatic plan to achieve a net zero carbon global energy system, the sooner the better, for all of humankind.

If academia, business, government, and citizens act together toward this common goal, we can create a pollution-free energy system; form a prosperous, adaptable and resilient society; keep human, animal, and plant life flourishing; and create a better world for ourselves and generations to come.

You may notice that we, the writers on this site, use the word “we” to collectively refer to those who have benefitted in various ways from burning fossil fuels, those who will face the impacts of climate change, and those whose responsibility it is to act. We did this intentionally to create a sense of community in addressing this challenge. However, we acknowledge that people and groups across the globe have not equally benefitted from the use of fossil fuels, and many – including young people and future generations – will disproportionately endure the consequences. We, those who are affiliated with MIT and those who live in developed countries, are often among those whose activities have historically had a disproportionate impact on climate change. Therefore, we see that we have a greater responsibility – as professionals, citizens, community members, and consumers – to act to reverse its course.

Beef up your knowledge on specific climate change impacts and solutions with our quick explanations about clean energy, climate models, and much more, written by MIT experts.

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Whether it's simple or sticky, about science or solutions, ask us! We work with MIT faculty and scientists to get you clear, no-nonsense answers grounded in the best scientific information.

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Essay: To fix climate anxiety (and also climate change), we first have to fix individualism

• Copy Link URL Copied!

How do you cope? I feel the sorrow, the quiet plea for guidance every time someone asks me this question. As an environmental reporter dedicated to helping people make sense of climate change, I know I should have answers. But the truth is, it took me until now to face my own grief.

My heart keeps breaking whenever I meet yet another child struggling with asthma amid orange, smoke-filled skies. I, too, am reeling from the whiplash of extreme drought and extreme rain , and I’m still haunted by the thought of a mother having to call each of her daughters to say goodbye as the homes around her cave to fire.

Each year, as I reflect on my own reporting on the floods that keep getting worse and the toxic pollution building up in all forms of life , I find myself questioning whether I could ever justify bringing my own children into this world. I agonize over the amount of plastic we can’t avoid using and mourn the monarch butterflies that have vanished. With each new heat record shattered, and each new report declaring a code red for humanity , I can’t help but feel like we’re just counting down the days to our own extinction.

In the face of sea level rise, can we reimagine California’s vanishing coastline?

“Climate anxiety” is the term we now use to describe these feelings, but I must confess, I was perplexed when I first heard these words a few years ago. Anger, frustration, helplessness, exhaustion — these are the emotions I come across more often when getting to know the communities bracing for, or recovering from, the devastation of what they’ve long considered home.

Then a college student asked me about climate anxiety. It came up again on social media, and again in personal essays and polls. This paralyzing dread was suddenly the talk of the town — but it has also, very noticeably, remained absent in some circles.

All this has led me to wonder: What, exactly, is climate anxiety? And how should we cope? At first blush, this anxiety seems rooted in a fear that we’ll never go back to normal, that the future we were once promised is now gone. But who this “normal” is even for (and what we’re actually afraid of losing) speaks to a much more complicated question:

Is this anxiety pointing to a deeper responsibility that we all must face — and ultimately, is this anxiety something we can transcend?

For Jade Sasser, whose research on climate emotions has been grounded by her own experiences as a Black woman, these questions sharpened into focus during a research-methods seminar that she was teaching early last year at UC Riverside.

The class — all female, many from low-income immigrant communities — had been a fairly quiet group all quarter, so Sasser was surprised when the room completely erupted after she broached what she thought would be an academic, somewhat dispassionate discussion about climate change and the future.

Every student was suddenly talking, even yelling, over one another. Thought after thought tumbled out as they shared that not only does the future feel bleak when it comes to the job market, the housing crisis and whether their generation will ever be able to “settle down with kids” — but all this is many times worse when you’re not white, not documented and not born into a college-educated family.

How can they feel hopeful about the future, they asked, when, on top of everything already stacked against them, they also have to worry about wildfires, extreme heat and air pollution getting out of control?

‘It’s almost shameful to want to have children’

‘Climate Anxiety and the Kid Question’ asks: With American society feeling more socially and politically polarized than ever, is it right to bring another person into the world?

“It was literally a collective meltdown unlike anything I had ever experienced,” said Sasser, whose podcast and book, “ Climate Anxiety and the Kid Question, ” were largely inspired by her students that day. “I understood in that moment that you cannot assume someone does not also experience anxiety simply because their way of talking about it may not be the same as yours.”

It doesn’t help, she added, that many people don’t realize what they’re feeling is climate anxiety because the way we talk about it tends to center the experiences of white and more privileged people — people who have been insulated from oppression and have rarely (until now) had to worry about the safety of their own future.

“For a lot of people, climate anxiety looks a certain way: It looks very scared, it looks very sad, and it looks like a person who is ready, willing and able to talk about it,” Sasser said. “But for those who are experiencing many compounding forms of vulnerability at the same time, you can’t just pick out one part of it and say, ‘Oh, this is what’s causing me to feel this way.’”

A brave first step is to acknowledge privilege — and to support, and perhaps even learn, from those who have had to be resilient long before climate change became so overwhelming.

“For me, this work is a matter of survival,” said Kevin J. Patel, who grew up in South L.A. and has been fighting for climate justice since he was 11. He was contemplative, nodding, when I shared what I learned from Sasser, and he gently added that one privilege many communities don’t have is the ability to turn it off. Not everyone can go on a vacation or take a day to recharge, he said. Even having the time to talk about your sadness can be a luxury.

Feeling climate anxiety? These books offer glimmers of hope — and much-needed wisdom

Patel learned at a young age that not all communities get the same level of care. Growing up with hazy air, in a neighborhood hemmed in by the 10 and 110 freeways, Patel almost collapsed one day in front of his sixth-grade class when his heart suddenly started pounding at more than 300 beats per minute.

His parents, farmers from Gujarat, India, rushed Patel to the emergency room and held his hand while everyone around him thought he was dying. After months of hospital visits and procedures, doctors determined that he had developed a severe heart condition in large part due to the smog.

‘For me, this work is a matter of survival.’

— Kevin J. Patel

As he learned to live with an irregular heartbeat, he found joy in his family’s tiny garden and marveled at all the ladybugs that gathered on the tulsi, a special type of basil. He taught his classmates that food came from the ground, not the grocery store, and together, they went on to form an environmental club.

Today, Patel speaks with the hardened wisdom of someone who has experienced much more than the typical 23-year-old. He’s constantly doing something — whether it’s supporting a neighbor, getting water bottle refill stations installed at his school, or turning the idea of a Los Angeles County Youth Climate Commission into reality. For years, he has guided other marginalized youth through OneUpAction , a grassroots environmental group that he built from the ground up.

Even if he doesn’t call it anxiety, he admits he sometimes has trouble focusing, and there’s a tenseness in his body that can be hard to shake off. But he’s usually able to turn it around by talking to his friends or elders, or by reciting his favorite proverb:

They tried to bury us, but they didn’t know we were seeds.

“It’s not about what I need, it’s about what my community needs,” he said. “There is joy in caring for one another. There is joy in coming together to fight for a future that we believe in.”

When talking about climate anxiety, it’s important to differentiate whether you’re assessing these emotions as a mental health condition, or as a cultural phenomenon.

Let’s start with mental health: Polls show climate anxiety is on the rise and that people all around the world are losing sleep over climate change. Organizations like the Climate-Aware Therapist Directory and the American Psychiatric Assn. have put together an increasing number of guides and resources to help more people understand how climate change has affected our emotional well-being.

Poll shows Californians’ climate anxiety is on the rise

Just knowing that climate change is getting worse can trigger serious psychological responses. And the shock and trauma are all the more great if you’ve already had to live through the kinds of disasters that keep the rest of us up at night.

It’s also important to note that social media has magnified our sense of doom. What you see on social media tends to be a particularly intense and cherry-picked version of reality, but studies show that’s exactly how the vast majority of young people are getting their information about climate change: online rather than in school.

But you can’t treat climate anxiety like other forms of anxiety, and here’s where the cultural politics come in: The only way to make climate anxiety go away is to make climate change go away, and given the fraught and deeply systemic underpinnings of climate change, we must also consider this context when it comes to our climate emotions. How we feel is just as much a product of the narratives that have shaped the way we perceive and respond to the world.

“Climate anxiety can’t be limited to just a clinical setting — we have to take it out of the therapy room and look at it through a lens of privilege, and power, and the economic, historical and social structures that are at the root of the problem,” said Sarah Jaquette Ray, whose book “ A Field Guide to Climate Anxiety ” is a call to arms to think more expansively about our despair. “Treating a person’s climate anxiety without challenging these systems only addresses the symptoms, not the causes... and if white or more privileged emotions get the most airtime, and if we don’t see how climate is intersecting with all these other problems, that can result in a greater silencing of the people most impacted.”

Ray, an environmental humanist who chairs the environmental studies program at Cal Poly Humboldt, also emphasized that our distress can actually be a catalyst for much-needed change. These emotions are meant to shake us out of complacency, to sound the alarm to the very real crisis before us. But if we don’t openly talk about climate anxiety as something that is not only normal but also expected, we run the risk of further individualizing the problem. We already have a tendency to shut down and feel alone in our sorrows, which traps us into thinking only about ourselves.

“One huge reason why climate anxiety feels so awful is this feeling of not being able to do anything about it,” Ray said. “But if you actually saw yourself as part of a collective, as interconnected with all these other movements doing meaningful things, you wouldn’t be feeling this despair and loneliness.”

The trick to fixing climate anxiety is to fix individualism, she said. Start small, tap into what you’re already good at, join something bigger than yourself.

And by fixing individualism, as many young activists like Patel have already figured out, we just might have a better shot at fixing climate change.

Let us consider, for a moment, how the words that we use can also limit the way we think about our vulnerability and despair.

Something as simple as the “climate” in “climate anxiety” and how we define “environment” can unintentionally reinforce who we center in the conversation.

“In Nigeria, what we call our environment — it’s not just trees and mountains — it’s also about our food, our jobs, the biodiversity that gives us the life support that we need to thrive every day. That’s what we call our environment; it’s about our people,” said Jennifer Uchendu, who founded SustyVibes , a youth-led sustainability group based in her home country, as well as the Eco-Anxiety in Africa Project , which seeks to validate the emotions and experiences of communities often overlooked in climate conversations. “So if people are being oppressed by the system, it is still linked to our idea of the environment.”

Many of Uchendu’s elders have expressed a lifetime of feeling frustrated and powerless, for example, but she said they didn’t immediately connect these feelings to climate change because “climate anxiety” sounded to them like a new and elite phenomenon.

Editorial: California can make climate polluters pay for the mess they have made of Earth

We hear so often today that climate change is the existential crisis of our time, but that dismisses the trauma and violence to all the people who have been fighting to survive for centuries. Colonization, greed and exploitation are inseparable from climate change, Uchendu said, but we miss these connections when we consider our emotions only through a Western lens.

For Jessa Calderon, a Chumash and Tongva songwriter, these disconnects are ever-present in the concrete-hardened rivers snaking through Los Angeles, and the sour taste of industrialization often singeing the air. In her darkest moments, her heart hurts wondering if her son, Honor, will grow up to know clean water.

Her voice cracked as she recalled a brown bear that had been struck dead on the freeway near the Cajon Pass. As she watched strangers gawk at the limp body and share videos online, she wished she had been able to put the bear to rest and sing him into the spirit world.

“If we don’t see them as our people, then we have no hope for ourselves as a people, because we’re showing that we care about nothing more than ourselves,” she said. “And if we care about nothing more than ourselves, then we’re going to continue to devastate each other and the land.”

It is not too late to turn your climate anxiety into climate empathy. Acknowledging the emotional toll on people beyond yourself can be an opportunity to listen and support one another. Embracing our feelings — and then finding others who also want to turn their fear into action — can be the missing spark to much-needed social and environmental healing.

There is also wisdom to be learned in the songs and traditions of past movements, when people banded together — for civil rights, for women’s suffrage — and found ways to keep hope alive against all odds. And the more we look to the young people still caring for their elders in Nigeria, and to our Indigenous neighbors who continue to sing and love and tend to every living being, the better we might also comprehend the resilience required of all of us in the warming years ahead.

Opinion: Here are the places that could become too hot for humans due to climate change

So how should we cope? For Patel, living with his irregular but unwavering heartbeat, he finds strength in the words of adrienne maree brown, who famously wrote in “ Emergent Strategy ” that in the same way our lives are shaped today by our ancestors, we ourselves are future ancestors. Calderon, who similarly taught her son to leave this Earth better with every passing generation, confided to me that on the days when the sorrow feels too great, she sneaks off to plant native manzanita seeds in neighborhoods stripped of plants and trees.

As I’m reminded of all the love we can still sow for the future, I think of Phoenix Armenta, a longtime climate justice organizer in Oakland who has inspired numerous people, including myself, to take heart in all the times we actually got it right. (Remember acid rain? It was a huge problem, but collective action inspired multiple countries to join forces in the 1980s, and we did what needed to be done.)

“Imagine what kind of world you actually want to live in and start working to make that happen,” said Armenta, who recently made the switch to government planning to help more communities find their voice and determine their own visions for the future.

To grieve the world as we know it is to miss out on opportunities to transform our world for the better. To believe we have nothing left to hope for is a self-fulfilling void. We must find the courage to care, to change, to reimagine the systems that got us into such a devastating crisis in the first place — and we must allow ourselves to dream.

“But it can’t just be my dream, or your dream. It has to be our collective dream,” Armenta said. “I’ve known for a very long time that I can’t save the world, but we can save the world together.”

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Rosanna Xia is an environment reporter for the Los Angeles Times, where she specializes in stories about the coast and ocean. She was a Pulitzer Prize finalist in 2020 for explanatory reporting, and her award-winning book, “ California Against the Sea ,” has been praised as a poetic and mind-expanding exploration of what we stand to lose in the face of rising water.

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13 ways to save the Earth from climate change

Easy ways to help

We know you love watching videos on your phone. But modern activities— such as plugging in devices, driving cars, and cooling homes—often rely on energy sources such as natural gas, oil, and coal. Those energy sources release a gas called carbon dioxide (CO2) into the atmosphere. When CO2 and other greenhouse gases trap heat that would otherwise escape Earth’s atmosphere, the planet’s temperature rises. That’s called global warming, which causes climate change .

Most scientists believe that climate change is happening and causing rising seas, stronger storms, and shifting habitats for wildlife and people. But you don’t have to give up videos or totally shut down the A/C to fight climate change. Read on to learn how you can help!

Used Goods Are Good

Reduce and reuse as much as possible. Factories emit carbon dioxide when making new products. So instead of buying new stuff, fix your appliances and clothes. Good thing holey jeans are back in style!

Send a postcard

Send a letter, postcard, or drawing to your mayor, government representative, or even the president asking them to do something about climate change.

Slay the vampire

"Vampire" appliances suck energy even when turned off. Kill these monsters by unplugging phone and laptop chargers when not in use, and use power strips for lamps and TVs. (Bonus: It’ll save your parents money on energy bills!)

Close the door

If you see a business with its door wide open in the summer, ask an adult to help you email or talk to an employee about closing it. An open door to an air-conditioned building can let 2.2 tons of carbon dioxide escape over one summer. That’s about as much as a car on a 5,000- mile road trip.

Season your fruit

Try to eat mostly inseason and locally grown fruits and vegetables. This cuts down on the energy used to grow and transport food, which reduces the release of heattrapping gases.Does your favorite ice-cream shop use plastic spoons? Ask an adult to help you talk to the owner about switching to a non-plastic option. Some kinds of spoons are even edible!

Calculate your impact

Use an online carbon footprint calculator to see how much carbon dioxide your actions release. If you know how you’re impacting the planet, you can take steps for change.

Eat your veggies

Livestock such as cows account for some of Earth’s heat-trapping gas emissions. (Yep, it’s the cow toots!) Eating more plants cuts down on the need for so much livestock.

Help out at the hotel

Hang up and reuse your hotel towels instead of washing them after each use. That saves water and energy.

Walk it out

Walk or bike as much as you can. Biking or walking just one mile a day for a year could save 330 pounds of carbon dioxide—that’s the same as planting four trees and letting them grow for 10 years!

Spread the word

Write a letter to the editor about climate change in your local or school newspaper. The more people talk about the issue, the better!

Wear a warm sweater instead of turning up the heat, and open your windows and turn on a fan instead of blasting the air conditioner.

Be a science champion

Not everyone understands climate change. Learn the facts and talk to your friends and family. If everyone gets the science, we can work together to find solutions.

Hang up your freshly washed clothes to dry. You’ll be saving energy by not using the dryer and helping with chores.

Photo credits: Adobe Stock / jzehnder (smokestack); Katalinks, Shutterstock (vampire); Nate Allred, Shutterstock (cow); Photograph by iofoto, Shutterstock (bikes); Alex Staroseltsev, Shutterstock (strawberry); Cookie Studio, Shutterstock (sweater); Mike Flippo, Shutterstock (clothes)

Explore more

Learn about plastic and how to reduce your use., save the earth, save the earth tips, endangered species act.

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The global warming that’s causing our climate crisis is already having dire consequences.

In just the past few decades:

• Rising temperatures have worsened extreme weather events .
• Chunks of ice in the Antarctic have broken apart .
• Wildfire seasons are months longer .
• Coral reefs have been bleached of their colors .
• Mosquitoes are expanding their territory, able to spread disease .

What’s causing this climate crisis?

It’s mainly us.

Humans are the main cause of climate change — we burn fossil fuels and chop down forests, causing average temperatures to rise worldwide. That global warming trend is increasingly disrupting our climate — the average weather over many years.

Earth has already warmed by about 1 degree Celsius, or 1.8 degrees Fahrenheit, since the 19th century, before industry started to boom.

While we experience the effects , we’re on our way toward 1.5 degrees C (2.7 F) by as early as 2030.

7 facts about climate change

Why a half-degree more is such a big deal

A warmer world — even by a half-degree Celsius — has more evaporation, leading to more water in the atmosphere. Such changing conditions put our agriculture, health, water supply and more at risk.

Picture a North Carolina cotton farm that’s been around since 1960, with global average temperatures rising by roughly half a degree since it grew its first crop.

The increased evaporation and additional moisture to the atmosphere has led to 30% more intense rain during heavy downpours in that part of the U.S.

Then a hurricane like 2018’s Florence — already strengthened by warmer oceans and higher seas — dumps this excess rainfall on the farm. The crops get more flooded and damaged than they did half a century ago.

It's how you go from half-degree of warming to economic hardship.

Are record-breaking hurricanes our new normal?

There’s still time to act

Whether it’s a shift of 1.5 degrees or 2 degrees, these warming levels aren’t magic thresholds. Every rise in warming is worse for the planet than the last.

But they're not inevitable.

It's not too late to slow the pace of climate change and avert the worst impacts of the climate crisis — as long as we act today. With your help, we can attack this challenge.

Donate now to have triple the impact in the climate fight

Make a one-time donation

Together we can create vital progress for our climate, environment and health

Another easy way to help.

• Join a powerful force of over 3 million allies.
• Get tips on how you can protect the environment.
• Get alerts when there are crucial petitions to sign.

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How to Stop Freaking Out and Tackle Climate Change

Here’s a five-step plan to deal with the stress and become part of the solution.

By Emma Marris

Ms. Marris is the author of “Rambunctious Garden: Saving Nature in a Post-Wild World.”

You are scrolling through the news and see yet another story about climate change.

Australia is on fire . Indonesia is drowning . At the same time, Donald Trump is trying to make it easier to build new fossil-fuel projects.

As you read, your chest tightens and a sense of dread washes over you, radiating out from your heart. You feel anxious, afraid and intensely guilty. Just this morning, you drove a gasoline-powered car to work. You ate beef for lunch. You booked a flight, turned on the heat, forgot your reusable grocery bags at home. This is your fault .

As an environmental writer, I’m often asked for guidance on coping with climate change. I have thoughts. Even better, I have a five-point plan to manage the psychological toll of living with climate change and to become part of the solution.

Step 1: Ditch the shame.

The first step is the key to all the rest. Yes, our daily lives are undoubtedly contributing to climate change. But that’s because the rich and powerful have constructed systems that make it nearly impossible to live lightly on the earth. Our economic systems require most adults to work, and many of us must commute to work in or to cities intentionally designed to favor the automobile. Unsustainable food, clothes and other goods remain cheaper than sustainable alternatives.

And yet we blame ourselves for not being green enough. As the climate essayist Mary Annaïse Heglar writes , “The belief that this enormous, existential problem could have been fixed if all of us had just tweaked our consumptive habits is not only preposterous; it’s dangerous.” It turns eco-saints against eco-sinners, who are really just fellow victims. It misleads us into thinking that we have agency only by dint of our consumption habits — that buying correctly is the only way we can fight climate change.

As long as we are competing for the title of “greener than thou,” or are paralyzed by shame, we aren’t fighting the powerful companies and governments that are the real problem. And that’s exactly the way they like it.

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Earth > Ask a Scientist About Our Environment > How can kids help prevent global warming?

What are the most important things kids can do to prevent global warming? —  Armano B., Grade 6

Geologist Ed Mathez answers this question:

Dear Armano,

Thank you for your question. It's a really good one. There is no single solution, so let me give you three things that kids can do to help minimize global warming.

1. Conserve energy in your everyday life.

Making simple choices to save energy  may help avoid the serious consequences of global warming. For example:

• Turn off the lights.
• Close doors immediately so heat does not escape.
• Take short showers.
• Walk or bike if you can (instead of having your parents drive you).
• Turn off your computer when not in use (don't leave it on just to keep Facebook or Myspace active).

We can make simple choices to save energy.

2. Convince the people around you to save energy.

Now, you have to be careful here because people don't like to be told what to do, so convince is the important part. Your parents would be perfect subjects for persuasion, but do it with love and humor. Here are some suggestions that you can provide for your family and friends.

• Replace incandescent with fluorescent lights. (This saves a lot of money!)
• Ask your parents not to leave the car running needlessly, for example, when waiting to pick you up at school.
• Recycle  (this saves energy in manufacturing).
• Run the dishwasher and other appliances on energy saver mode.
• Keep the house at 68°F or less. And make sure the heat goes off at night and when everyone is away.
• Start a conservation club at school to raise awareness. Get your fellow students and teachers on board to have the school reduce energy consumption.

It takes energy to produce everything we buy. We can save energy by recycling.

In fact, not knowing is one of the problems. Global warming is a significant risk to society. On the one hand, we do not know exactly what will happen. On the other, we realize that what could happen could be serious. And these consequences could affect different parts of the world in different ways.

3. Keep learning.

These ideas all involve conservation. While that's important, what's more important is finding and implementing sources of energy that do not pollute the environment. Who is going to do that? It can be you! So the third and most important thing you can do is get the best education you can get, so that you can be a responsible citizen and continue making good decisions. Maybe you will help find scientific, technological, economic, or political solutions to the present situation.

You Can Make a Difference!

• It takes a lot of energy and water  to produce everything that we use and buy. Find out how to Be a Water Saver  with this checklist.

Explore More:

• Take this Virtual Water Quiz  to test your knowledge about the water you didn't know you were using.
• Find out how global warming is endangering the planet's species and habitats in Going, Going... Gone?

Name: Edmond Mathez

Job Title: Curator, Department of Earth & Planetary Sciences

Known For: Ed is a geologist. He researches the origin and composition of  igneous rocks.

Cool Fact:   Ed has collected rock samples from all over the world, including Greenland and South Africa. He's gone as deep as 2 kilometers (1.2 miles) down into a mine.

You might also like...

Be an energy saver.

Find out what you can do to save energy and slow climate change!

What Do You Know About Climate Change?

Think you're an expert on changing climate? Test your knowledge with this quiz!

Meet the OLogist: Ed Mathez

Do you dig the Earth? If so, you'll want to meet Ed.

Image Credits:

Earth, courtesy of NASA; recycling bins, by Eric Hamilton © AMNH; Edmond Mathez, © AMNH.

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16 ways to take action on climate

Looking for easy and simple ways to make high-impact, achievable steps to reduce your carbon pollution and persuade others to do the same? Here are 16 actions:

These actions, derived from experts and research by the United Nations Environment Programme (UNEP) alongside others, are featured as part the Count Us In campaign, a diverse coalition of culture, faith, sport, cities and businesses.

Organizers hope the activities and support of the partners will inspire one billion people to take practical steps to reduce carbon pollution and challenge leaders to act more boldly on climate.

Individual action can make a significant impact. Count Us In organizers estimate that if 1 billion people take practical action in their own lives, they could reduce as much as 20 per cent of global carbon emissions.

“We are in the midst of three planetary crises – the climate crisis, the nature crisis, and the pollution and waste crisis. Fuelled by unsustainable consumption and production, the three crises are destroying the natural systems that allow our economies to thrive. In this decade that will define how we live on the planet, we need to crowd in people and action like never before. Every individual action counts and must be counted,” said UNEP’s Executive Director Inger Andersen.

Keep track of your impact

Whether you sign up on the Count Us In platform or through a partner platform like the United Nations #ActNow campaign , you can count your step alongside millions of others.

Daily tips and a mechanism to track your habits are available through a new online #ActNow application from AWorld. Begin your sustainable journey here:

• Download for iPhone or iPad iOS
• Download for Android devices

Count Us In was launched at TED Countdown , a global initiative powered by TED and Future Stewards to champion and accelerate solutions to the climate crisis. 

Related event: TEDxUNEP: Racing to Zero with Higher Education

• UNEP and the climate emergency

While there are now  high levels of awareness  of climate change, there remains confusion and misinformation about what actions are necessary and wide misapprehension that climate action will have a negative impact on peoples’ lives.

UNEP stands at the core of the action in the fight against climate change. Its work cuts across the fields of science, policy, technology and finance . The organization works with countries to pursue low-emission development and boost their capacity to adapt and be resilient to climate heating through nature-based solutions .

• Clean fuels
• Waste management

Further Resources

• UNEP and nature-based solutions

Related Content

Related Sustainable Development Goals

© 2024 UNEP Terms of Use Privacy   Report Project Concern Report Scam Contact Us

Climate Action

Tackling Climate Change

Goal 13 calls for urgent action to combat climate change and its impacts. It is intrinsically linked to all 16 of the other Goals of the 2030 Agenda for Sustainable Development. To address climate change, countries adopted the Paris Agreement to limit global temperature rise to well below 2 degrees Celsius. Learn more about Goal 13 , and for the latest United Nations climate news, visit un.org/climatechange .

Paris Agreement FAQ

Why we need action

Climate change is now affecting every country on every continent. It is disrupting national economies and affecting lives, costing people, communities and countries dearly today and even more tomorrow.

People are experiencing the significant impacts of climate change, which include changing weather patterns, rising sea level, and more extreme weather events. The greenhouse gas emissions from human activities are driving climate change and continue to rise. They are now at their highest levels in history. Without action, the world’s average surface temperature is projected to rise over the 21st century and is likely to surpass 3 degrees Celsius this century—with some areas of the world expected to warm even more. The poorest and most vulnerable people are being affected the most.

A race we can win

Affordable, scalable solutions are now available to enable countries to leapfrog to cleaner, more resilient economies. The pace of change is quickening as more people are turning to renewable energy and a range of other measures that will reduce emissions and increase adaptation efforts.

But climate change is a global challenge that does not respect national borders. Emissions anywhere affect people everywhere. It is an issue that requires solutions that need to be coordinated at the international level and it requires international cooperation to help developing countries move toward a low-carbon economy.

To address climate change, countries adopted the  Paris Agreement at the  COP21 in Paris  on 12 December 2015. The Agreement entered into force less than a year later. In the agreement, all countries agreed to work to limit global temperature rise to well below 2 degrees Celsius, and given the grave risks, to strive for 1.5 degrees Celsius.

Implementation of the Paris Agreement is essential for the achievement of the  Sustainable Development Goals , and provides a roadmap for climate actions that will reduce emissions and build climate resilience.

IPCC Climate Report 2022

The Working Group III report provides an updated global assessment of climate change mitigation progress and pledges, and examines the sources of global emissions. It explains developments in emission reduction and mitigation efforts, assessing the impact of national climate pledges in relation to long-term emissions goals. Read more here .

The Paris Agreement on climate change

The UN continues to encourage all stakeholders to take action toward reducing the impacts of climate change.

COP25: Madrid, 2019

The conference was designed to take the next crucial steps in the UN climate change process. The conference served to build ambition ahead of 2020, the year in which countries have committed to submit new and updated national climate action plans. Crucial climate action work was taken forward in areas including finance, the transparency of climate action, forests and agriculture, technology, capacity building, loss and damage, indigenous peoples, cities, oceans and gender.

COP24: Katowice, 2018

The 2018 UN Climate Conference took place in Katowice, Poland from 2-14 December.

The conference finalized the rules for implementation of the Paris Agreement on climate change under the Paris Agreement work programme (PAWP). It also included a number of high-level events, mandated events, action events and roundtables.

COP23: Bonn, 2017

The 2017 UN Climate Conference took place in Bonn, Germany, from 6-18 November. Leaders of national governments, cities, states, business, investors, NGOs and civil society gathered to speed up climate action to meet the goals of the Paris Climate Change Agreement.

COP22: Marrakesh, 2016

High-Level Event Towards Entry into Force: 21 September, 2016

Recap of the High-Level Event Towards Entry into Force

Paris Agreement Signing Ceremony, 22 April 2016

To keep the global spotlight focused on climate change and build on the strong political momentum from Paris, United Nations Secretary-General Ban Ki-moon invited representatives of all countries to sign  the Paris Agreement on climate change   at a special Ceremony at the United Nations Headquarters on 22 April.

Cop21, 12 December 2015

Paris Agreement – Frequently Asked Questions

What is the present status of the paris agreement on climate change.

The Paris Agreement on climate change officially entered into force on 4 November 2016, after 55 countries accounting for 55 per cent of the total global greenhouse gas emissions, deposited their instruments of ratification, acceptance or approval with the UN Secretary-General.

As of June 2020, 195 signatories and 189 countries have joined the Paris Agreement.

What is the next step towards the implementation of the Paris Agreement?

What are the most significant aspects about the new agreement, is this agreement really going to help, what does the agreement require countries to do, what happens if a country doesn’t live up to its commitments would there be any enforcement, developing countries stressed the need for equity and fairness. does the agreement provide that, how can paris get us to the 2 degree—or even 1.5 degree goal, how are climate change and the paris agreement linked with the sustainable development goals, why is it so urgent that we do something now, related news.

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Climate Change: Evidence and Causes: Update 2020 (2020)

Chapter: conclusion, c onclusion.

This document explains that there are well-understood physical mechanisms by which changes in the amounts of greenhouse gases cause climate changes. It discusses the evidence that the concentrations of these gases in the atmosphere have increased and are still increasing rapidly, that climate change is occurring, and that most of the recent change is almost certainly due to emissions of greenhouse gases caused by human activities. Further climate change is inevitable; if emissions of greenhouse gases continue unabated, future changes will substantially exceed those that have occurred so far. There remains a range of estimates of the magnitude and regional expression of future change, but increases in the extremes of climate that can adversely affect natural ecosystems and human activities and infrastructure are expected.

Citizens and governments can choose among several options (or a mixture of those options) in response to this information: they can change their pattern of energy production and usage in order to limit emissions of greenhouse gases and hence the magnitude of climate changes; they can wait for changes to occur and accept the losses, damage, and suffering that arise; they can adapt to actual and expected changes as much as possible; or they can seek as yet unproven “geoengineering” solutions to counteract some of the climate changes that would otherwise occur. Each of these options has risks, attractions and costs, and what is actually done may be a mixture of these different options. Different nations and communities will vary in their vulnerability and their capacity to adapt. There is an important debate to be had about choices among these options, to decide what is best for each group or nation, and most importantly for the global population as a whole. The options have to be discussed at a global scale because in many cases those communities that are most vulnerable control few of the emissions, either past or future. Our description of the science of climate change, with both its facts and its uncertainties, is offered as a basis to inform that policy debate.

A CKNOWLEDGEMENTS

The following individuals served as the primary writing team for the 2014 and 2020 editions of this document:

• Eric Wolff FRS, (UK lead), University of Cambridge
• Inez Fung (NAS, US lead), University of California, Berkeley
• Brian Hoskins FRS, Grantham Institute for Climate Change
• John F.B. Mitchell FRS, UK Met Office
• Tim Palmer FRS, University of Oxford
• Benjamin Santer (NAS), Lawrence Livermore National Laboratory
• John Shepherd FRS, University of Southampton
• Keith Shine FRS, University of Reading.
• Susan Solomon (NAS), Massachusetts Institute of Technology
• Kevin Trenberth, National Center for Atmospheric Research
• John Walsh, University of Alaska, Fairbanks
• Don Wuebbles, University of Illinois

Staff support for the 2020 revision was provided by Richard Walker, Amanda Purcell, Nancy Huddleston, and Michael Hudson. We offer special thanks to Rebecca Lindsey and NOAA Climate.gov for providing data and figure updates.

The following individuals served as reviewers of the 2014 document in accordance with procedures approved by the Royal Society and the National Academy of Sciences:

• Richard Alley (NAS), Department of Geosciences, Pennsylvania State University
• Alec Broers FRS, Former President of the Royal Academy of Engineering
• Harry Elderfield FRS, Department of Earth Sciences, University of Cambridge
• Joanna Haigh FRS, Professor of Atmospheric Physics, Imperial College London
• Isaac Held (NAS), NOAA Geophysical Fluid Dynamics Laboratory
• John Kutzbach (NAS), Center for Climatic Research, University of Wisconsin
• Jerry Meehl, Senior Scientist, National Center for Atmospheric Research
• John Pendry FRS, Imperial College London
• John Pyle FRS, Department of Chemistry, University of Cambridge
• Gavin Schmidt, NASA Goddard Space Flight Center
• Emily Shuckburgh, British Antarctic Survey
• Gabrielle Walker, Journalist
• Andrew Watson FRS, University of East Anglia

The Support for the 2014 Edition was provided by NAS Endowment Funds. We offer sincere thanks to the Ralph J. and Carol M. Cicerone Endowment for NAS Missions for supporting the production of this 2020 Edition.

F OR FURTHER READING

For more detailed discussion of the topics addressed in this document (including references to the underlying original research), see:

• Intergovernmental Panel on Climate Change (IPCC), 2019: Special Report on the Ocean and Cryosphere in a Changing Climate [ https://www.ipcc.ch/srocc ]
• National Academies of Sciences, Engineering, and Medicine (NASEM), 2019: Negative Emissions Technologies and Reliable Sequestration: A Research Agenda [ https://www.nap.edu/catalog/25259 ]
• Royal Society, 2018: Greenhouse gas removal [ https://raeng.org.uk/greenhousegasremoval ]
• U.S. Global Change Research Program (USGCRP), 2018: Fourth National Climate Assessment Volume II: Impacts, Risks, and Adaptation in the United States [ https://nca2018.globalchange.gov ]
• IPCC, 2018: Global Warming of 1.5°C [ https://www.ipcc.ch/sr15 ]
• USGCRP, 2017: Fourth National Climate Assessment Volume I: Climate Science Special Reports [ https://science2017.globalchange.gov ]
• NASEM, 2016: Attribution of Extreme Weather Events in the Context of Climate Change [ https://www.nap.edu/catalog/21852 ]
• IPCC, 2013: Fifth Assessment Report (AR5) Working Group 1. Climate Change 2013: The Physical Science Basis [ https://www.ipcc.ch/report/ar5/wg1 ]
• NRC, 2013: Abrupt Impacts of Climate Change: Anticipating Surprises [ https://www.nap.edu/catalog/18373 ]
• NRC, 2011: Climate Stabilization Targets: Emissions, Concentrations, and Impacts Over Decades to Millennia [ https://www.nap.edu/catalog/12877 ]
• Royal Society 2010: Climate Change: A Summary of the Science [ https://royalsociety.org/topics-policy/publications/2010/climate-change-summary-science ]
• NRC, 2010: America’s Climate Choices: Advancing the Science of Climate Change [ https://www.nap.edu/catalog/12782 ]

Much of the original data underlying the scientific findings discussed here are available at:

• https://data.ucar.edu/
• https://climatedataguide.ucar.edu
• https://iridl.ldeo.columbia.edu
• https://ess-dive.lbl.gov/
• https://www.ncdc.noaa.gov/
• https://www.esrl.noaa.gov/gmd/ccgg/trends/
• http://scrippsco2.ucsd.edu
• http://hahana.soest.hawaii.edu/hot/

Climate change is one of the defining issues of our time. It is now more certain than ever, based on many lines of evidence, that humans are changing Earth's climate. The Royal Society and the US National Academy of Sciences, with their similar missions to promote the use of science to benefit society and to inform critical policy debates, produced the original Climate Change: Evidence and Causes in 2014. It was written and reviewed by a UK-US team of leading climate scientists. This new edition, prepared by the same author team, has been updated with the most recent climate data and scientific analyses, all of which reinforce our understanding of human-caused climate change.

Scientific information is a vital component for society to make informed decisions about how to reduce the magnitude of climate change and how to adapt to its impacts. This booklet serves as a key reference document for decision makers, policy makers, educators, and others seeking authoritative answers about the current state of climate-change science.

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