Write a detailed account of air pollution?
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Air pollution occurs when harmful or excessive quantities of substances including gases, particulates, and biological moleculesare introduced into Earth's atmosphere. It may cause diseases, allergies and even death to humans; it may also cause harm to other living organisms such as animals and food crops, and may damage the natural or built environment. Both human activity and natural processes can generate air pollution.
Indoor air pollution and poor urban air quality are listed as two of the world's worst toxicpollution problems in the 2008 Blacksmith Institute World's Worst Polluted Places report.According to the 2014 World Health Organization report, air pollution in 2012 caused the deaths of around 7 million people worldwide,an estimate roughly echoed by one from the International Energy Agency.
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Indoor air pollution and poor urban air quality are listed as two of the world's worst toxicpollution problems in the 2008 Blacksmith Institute World's Worst Polluted Places report.According to the 2014 World Health Organization report, air pollution in 2012 caused the deaths of around 7 million people worldwide,an estimate roughly echoed by one from the International Energy Agency.
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DEFINITION
Air pollution can be defined as the presence of toxic chemicals or compounds (including those of biological origin) in the air, at levels that pose a health risk. In an even broader sense, air pollution means the presence of chemicals or compounds in the air which are usually not present and which lower the quality of the air or cause detrimental changes to the quality of life (such as the damaging of the ozone layer or causing global warming).
Types of Pollution
RADIATION CHEMICAL OIL-SPILLNOISE POLLUTION
Causes
Air pollution is probably one of the most serious environmental problems confronting our civilization today. Most often, it is caused by human activities such as mining, construction, transportation, industrial work, agriculture, smelting, etc. However, natural processes such as volcanic eruptions and wildfires may also pollute the air, but their occurrence is rare and they usually have a local effect, unlike human activities that are ubiquitous causes of air pollution and contribute to the global pollution of the air every single day.
Most Common Types of Air Pollutants
A large number of contaminants may pollute the air in a large variety of forms. Almost any toxic chemical could make its way into the atmosphere to pollute the air that we breathe. Aerosol particles (clouds of liquid and solid particles in a gas) that are found in the air may also contain pollutants.
The chemical compounds that lower the air quality are usually referred to as air pollutants. These compounds may be found in the air in two major forms:
in a gaseous form (as gases),
in a solid form (as particulate matter suspended in the air).
Air pollution can be defined as the presence of toxic chemicals or compounds (including those of biological origin) in the air, at levels that pose a health risk. In an even broader sense, air pollution means the presence of chemicals or compounds in the air which are usually not present and which lower the quality of the air or cause detrimental changes to the quality of life (such as the damaging of the ozone layer or causing global warming).
Types of Pollution
RADIATION CHEMICAL OIL-SPILLNOISE POLLUTION
Causes
Air pollution is probably one of the most serious environmental problems confronting our civilization today. Most often, it is caused by human activities such as mining, construction, transportation, industrial work, agriculture, smelting, etc. However, natural processes such as volcanic eruptions and wildfires may also pollute the air, but their occurrence is rare and they usually have a local effect, unlike human activities that are ubiquitous causes of air pollution and contribute to the global pollution of the air every single day.
Most Common Types of Air Pollutants
A large number of contaminants may pollute the air in a large variety of forms. Almost any toxic chemical could make its way into the atmosphere to pollute the air that we breathe. Aerosol particles (clouds of liquid and solid particles in a gas) that are found in the air may also contain pollutants.
The chemical compounds that lower the air quality are usually referred to as air pollutants. These compounds may be found in the air in two major forms:
in a gaseous form (as gases),
in a solid form (as particulate matter suspended in the air).
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