Topics: Air pollution, Smog, Ozone Pages: 4 (1309 words) Published: May 24, 2013
Eight thousand people a day die from air pollution but some simple preventative steps and increased monitoring could lessen the toll, according to a recently released report by Australias Commonwealth Science Council.;Of the 3 million annual deaths, 2.8 million are from indoor air pollution. Ninety percent of the deaths occur in developing countries, according to World Health Organization estimates. Over 500,000 people a year die in China alone due to air pollution, said Peter Manins, a scientist at Australias federal science agency, CSIRO Air pollution is the introduction into the atmosphere of chemicals, particulate matter, or biological materials that cause discomfort, disease, or death to humans, damage other living organisms such as food crops, or damage the natural environment or built environment. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems. Indoor air pollution and urban air quality are listed as two of the World’s Worst Toxic Pollution Problems in the 2008 Blacksmith Institute World's Worst Polluted Places report.[1] Main articles: Pollutant and Greenhouse gas

Before flue-gas desulfurization was installed, the emissions from this power plant in New Mexicocontained excessive amounts of sulfur dioxide.

Schematic drawing, causes and effects of air pollution: (1) greenhouse effect, (2) particulate contamination, (3) increased UV radiation, (4) acid rain, (5) increased ground level ozone concentration, (6) increased levels of nitrogen oxides. A substance in the air that can cause harm to humans and the environment is known as an air pollutant. Pollutants can be in the form of solid particles, liquid droplets, or gases. In addition, they may be natural or man-made.[2] Pollutants can be classified as primary or secondary. Usually, primary pollutants...
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