Literature Review: What Is Air Pollution?

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Section 2
Literature Review

What Is Air Pollution?
Air pollution situation is created by the release of pollutants into the air .These substances are detrimental to human health and the planet as a whole. When air becomes contaminated or polluted, it becomes hazard to humankind and other living species on the earth. The use of energy and different forms of gaseous emissions is the reason for air pollution. According to John Walke, director of the Clean Air Project, part of the Climate and Clean Air program at NRDC. “Burning fossil fuels releases gases and chemicals into the air.” Air pollutants are identified as an indicator of air quality are nitrogen oxides (NO2), sulphur oxides (SO2), carbon monoxides (CO), ozone (O3), particulate matter (PM10) and lead (Pb). SO2, NO2, CO and PM10. These are well recognized as sources emitted from the combustion of fuels used in power and desalination plants (Brunekreef, B., & Holgate, S. T.,2002).

Effects of Air Pollution
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The carbon dioxide and methane is one of the components in polluted air and these gases raise the earth’s temperature that results in increased heat. Due to climate change there is also increase in the production of allergenic air (Katsouyanni, 2003). The major effect of air pollution is its contribution to to the contamination of food and water, which makes ingestion in several cases (Thron, 1996). According to medical science, “gastrointestinal and respiratory tract make absorption of pollutants and toxic substances and then deposit to different tissues. (Kampa, M., & Castanas, E.,
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