POLLUTION PPT and PDF Free Download
POLLUTION PPT and PDF Free Download: Environmental pollution can be defined as a change that is not wished or desired in the chemical, physical, or biological characteristics of any component of the environment (air, water, and soil) which can cause harmful effects on various or many forms of life. Pollution is of different kinds depending on the nature of pollutants and pollution.
For example, industry, automobiles, thermal power plants, forming nuclear reactors generate distinct types of pollutants causing pollution of air, water bodies and land. Some of these pollutants are biodegradable which decomposes rapidly by natural processes and the other is non-degradable which decompose slowly in the environment. The kinds of air pollution, water pollution, soil pollution, noise pollution, and thermal pollution are explained below with the examples of pollution:
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- Gases: Carbon monoxide (CO), excess carbon dioxide (), oxides of sulfur, phosphorous, nitrogen, and carbon dioxide are the poisonous gases which cause death. Excess carbon dioxide causes global warming and green house effect and oxide of sulfur.
- Pesticides and insecticides: These are harmful chemicals and these chemicals enter the body when the leaves or fruits of plant sprayed with the pesticide are consumed by human beings or animals. These pesticides and insecticides even lead to the cause of diseases like cancer.
- Metals: The metals like lead, mercury, zinc, and radioactive elements such as radium, uranium, and thorium enter the body and leads to the poisoning of the body as they are toxic.
- Noise pollution or sound pollution: Noise or sound pollution damages the hearing facilities and temperature affects the usual metabolic processes.
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The below diagram explains about the parameters which affect the human health due to pollution:
Fig1: parameters that damage human health
Air pollution
An atmospheric condition present in concentrations which can cause undesirable effects on man and his environment is called as air pollution. Gaseous pollution include oxides of sulfur, oxides of nitrogen, carbon monoxide, volatile organic compounds etc. Particulate pollutants include smoke, soot, dust, fumes, aerosols, liquid droplets, pollen gain etc. the sources of air pollution are the following:
- Natural sources
- Man made sources
- Natural sources: The natural sources of air pollution are volcanic eruptions, forest fires, sea salt sprays, biological decay etc.
- Man made sources: The man made sources include thermal power plants, industrial units, vehicular emissions, fossil fuel burning, agricultural activities etc.
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Effects of air pollution: The air pollution has the following effects:
- Effect on living organisms
- Effect on human health
- Effect on plants
- Effect on aquatic life
- Effect on materials
- Effect on living organisms: Air pollution has an adverse effect on living organisms and materials.
- Effect on human health: Suspended particulars can cause damage to lung tissues and diseases like asthma, bronchitis, and cancer.
- Effect on plants: Air pollution affects plants by entering through stomata and destroy chlorophyll and affect photosynthesis.
- Effect on aquatic life: Air pollution mixing up with rain can cause high acidity in fresh water bodies. This affects aquatic life especially fish and some of the freshwater lakes have experienced total fish death.
- Effect on materials: Presence of and moisture can accelerate corrosion of metallic surfaces.
Control of air pollution: The air pollution can be controlled by the following methods:
- By using low sulfur coal in industries
- By using mass transport system and bicycles etc.
- Shifting to less polluting vehicles
- Using non-conventional sources of energy
- Using biological filters and bio-scrubbers
- Planting more trees
Water pollution
Water pollution can be defined as an alteration in physical, chemical or biological characteristics of water.
Sources of water pollution: Water is a required commodity to survive and we need water for bathing, irrigation, drinking, washing, cooking, and for industrial purposes.
We get this water from groundwater sources, rivers, and lakes. The factors responsible for the pollution of groundwater and surface water are explained below:
Groundwater pollution: Septic tanks, industries like textile, chemical, and tanneries; deep well injection, mining etc. are mainly responsible for ground water pollution.
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Surface water pollution: The factors which are responsible for surface water pollution are:
- Sewage: Pouring the underground drain to carry off waste water and drains in fresh water bodies like lakes and rivers cause water pollution. This problem is very severe in the cities.
- Industrial effluents
- Synthetic detergents
- Agrochemicals
Effects of water pollution: Around 2.3 billion people globally suffer from distinct diseases. Most of them are diarrheal diseases, typhoid, infectious hepatitis and Para typhoid is also causes.
Control of water pollution: Water pollution can be controlled by the following:
- The water pollution can be controlled by using nitrogen fixing plants to complete the deficiency of the avail of fertilizers.
- By using integrated pest management to decrease the dependency on pesticides.
- Planting trees would decrease pollution and will also reduce and eradicate soil erosion.
Noise pollution
The sound is mechanical energy from a vibrating source. The unpleasant and unwanted sound is called as noise.
Sources of noise pollution: The main sources of noise pollution are various modes of transportation, industrial operations, construction activities and celebrations, electric home appliances.
Causes of noise pollution: It exists mostly in densely populated areas like cities and industrial complexes, railway stations, bus stations, air ports, television, radio, and even kitchen gadgets generate noise. Sound levels are measured in units called decibels. Conservation produces sound at about 40 decibels and so on. The limit that humans can accept is about 110 decibels without pain and damage.
Effect of noise: Noise causes the following effects:
- Interferes with man’s communication
- Healing damage
- Physiological and psychological changes
Control of noise pollution: The noise pollution can be controlled by the following:
- Reduction in sources of noise
- Proper oiling will reduce the noise from the machinery
- Planting more tree which has broad leaves
The figure is the diagrammatic representation of the effects of noise pollution:
Fig2: effects of noise pollution
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Pollution PPT Free Download
Pollution PDF Free Download
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11 comments already.
I want some advise for my presentation on how to controll pollution
To control poolution u should not throw wrappers at home inatead in dustbin we should grow more trees to control air pollution
pleadse write about soil and radiactive pollution ,their sources,causes,effects and how to check them.
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Pollution presentation templates, there's only one planet earth, that's for sure. help raise awareness about climate change and its effects on the environment by creating presentations for google slides or powerpoint with our templates..
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Pollution.Ppt. Jul 19, 2009 • Download as PPT, PDF •. 1,417 likes • 1,384,320 views. AI-enhanced description. S. This document discusses different types of pollution including air, water, noise, land, and radioactive pollution. It provides definitions and overviews of each type of pollution, describes their causes and effects, and gives ...
create air pollution peaks. High concentrations of particulate matter are more often found in winter-time when the temperature and wind affect the build-up of air pollution and its persistence locally. Normally, when air gets colder, a layer of warm air traps a layer of cold air nearer the ground. This
5. Water, air, and land pollution are three major categories of pollution. Sometimes pollution is easy to detect and is obvious to see, like an oil spill from a ship in the ocean. However, pollution can also be hard to see, like in the case of many types of air pollution. Specific pollutants can also contaminate more than one system at a time.
Air pollution can afect lung development and is associated with emphysema,4 asthma, and chronic obstructive pulmonary disease5 (COPD). PM and nitrogen oxide have been linked to chronic bronchitis.6. How your genes interact with the environment also plays. a critical role in the health of your respiratory system.
air pollution problems with their suggested solutions are discussed. Each chapter is presented in simple language and is provided with learning objectives, body introduction, ... short due to rain (ppt), gravity, air movement • Mixing time is rapid due to wind or turbulence
Moreover, emissions of greenhouse effect gases, such as CO2 or CH4, are also monitored because of their detrimental effects on the environment. Globally, road transportis the major source of air pollution in urban areas. It is the first source of emissions of CO, PM and NOxand the second source of NMVOC.
One cause of air pollution is traffic. Which of these vehicles do you think release air pollution? Answer: the car, bus, motorbike and lorry. They cause air pollution because they have an engine which burns fuel. Sources of air pollution are either: Natural: caused by nature. Man-made: caused by human activity.
The combined effects from ambient (outdoor) air pollution and indoor air pollution cause approximately 7 million premature deaths every year, largely as a result of increased mortality from stroke, IHD, COPD, lung cancer and acute respiratory infections (1). Air pollution can occur in both the outdoor and indoor environments.
Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants. Pollutants can be natural, such as volcanic ash. They can also be created by human activity, such as trash or runoff produced by factories. Pollutants damage the quality of air, water, and land.
Figure 9.13 A century-long record of annual air pollution emissions compared to the population of the United States. (Sources: Trends in National Emissions, United States Environmental Protection Agency, Office of Air Quality Planning and Standards, Oc- tober 1995, September 2004; U.S. Census Bureau, Statistical Abstracts of the United States ...
microplastics pollution, and its presence in rivers and oceans; scientific knowledge about adverse effects on ecosystems and potential adverse effects on human health; and environmentally sound technological innovations;" ...
Third Edition. Understanding Environmental Pollution delivers a concise overview of global and indi- vidual environmental pollution for undergraduate courses, presenting the tools for students toassessenvironmentalissues.Thiseditioncontainsmorethan30%newmaterial,assessing pollution from an international perspective, including air and water ...
U.S. Environmental Protection Agency | US EPA
1. 2022 pdate. 2.1 Introduction. The combined effects from ambient (outdoor) air pollution and indoor (household, in particular) air pollution cause approximately 7 million premature deaths every year, largely as a result of increased mortality from stroke, IHD, COPD, lung cancer and acute respiratory infections (1).
01_Lecture_notes_Air_pollution_technologies_Lesson_01_OCW2016. 2016. Estibaliz Sáez de Cámara Oleaga. 1.3. Primary and secondary pollutants. 1.4. Atmosphere. normal ambient levels to produce measurable adverse effects on humans, animals, vegetation, or materials" Seinfeld, 1986. AIR POLLUTION is "the presence of materials, substances or ...
Smog is a secondary pollutant resulting from the mixing of smoke and fog. Following are the main causes of air pollution. 1. Burning fossil fuels: Burning fossil fuels produces significant amounts ...
POLLUTION PPT and PDF Free Download: Environmental pollution can be defined as a change that is not wished or desired in the chemical, physical, or biological characteristics of any component of the environment (air, water, and soil) which can cause harmful effects on various or many forms of life.Pollution is of different kinds depending on the nature of pollutants and pollution.
PDF. Templates. Top searches. ... Download the Health Problems due to Air Pollution Breakthrough presentation for PowerPoint or Google Slides.Treating diseases involves a lot of prior research and clinical trials. But whenever there's a new discovery, a revolutionary finding that opens the door to new treatments, vaccines or ways to prevent ...
Approximately 8 million tonnes. of plastic leak into the ocean every year. The New Plastics Economy, 2016. Impacts: Overview. Over 600 species are impacted - of which 15% are endangered. Major economic losses. Biodegradable plastic is not a solution.
Cooking and heating with solid fuels leads to high levels of indoor air pollution (IAP), a complex mix of health-damaging pollutants (e.g. particulate matter and carbon monoxide). Women and young children, who spend most time at home, experience the largest exposures and health burdens. IAP = indoor air pollution.
Abstract. Air pollution occurs when gases, dust particles, fumes (or smoke) or odour are introduced into the atmosphere in a way that makes it harmful to humans, animals and plant. Air pollution ...
Presentation topic: W ater pollution. W a ter pollution: T ypes of water pollution: 1.Surface water pollution. F ound on the ex terior of the earths. crust ,oceans, rivers . 2. Ground water ...