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Air Pollution - Term Papers

Air Pollution

It is the immediate effect of on urban atmospheres that is most noticeable and causes the strongest public reaction. The city of Los Angeles has been noted for both the extent of its and the actions undertaken for control. Los Angeles lies in a coastal plain, surrounded by mountains that restrict the inward sweep of air and that separate a desert from the coastal climate. Fog moving in from the ocean is normal to the city. Temperature inversions characterized by the establishment of a layer of warm air on top of a layer of cooler air prevent the air near the ground from rising and thus effectively trap pollutants that have accumulated in the lower layer of air. In the 1940s, the air in ...

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and a variety of complex hydrocarbons, nitrogen oxides, and other compounds. When acted upon by sunlight, these substances undergo a change in composition producing the brown, photochemical smog for which Los Angeles is well known. Efforts to reduce pollution from automobile engines and to develop pollution-free engines may eventually eliminate the more serious problems. In the meantime, however, has driven many forms of agriculture from the Los Angeles basin, has had a serious effect upon the pine forests in nearby mountains, and has caused respiratory distress, particularly in children, elderly people, and those suffering from respiratory diseases.
Los Angeles is neither a unique nor the worst example of polluted air. Tokyo has such a serious air-pollution problem that oxygen is supplied to policemen who direct traffic at busy intersections. Milan, Ankara, Mexico City, and Buenos Aires face similar problems. Although New York City produces greater quantities of pollutants ...

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Air Pollution. (2005, June 29). Retrieved November 23, 2024, from http://www.essayworld.com/essays/Air-Pollution/29256

"Air Pollution." Essayworld.com. Essayworld.com, 29 Jun. 2005. Web. 23 Nov. 2024. <http://www.essayworld.com/essays/Air-Pollution/29256>

"Air Pollution." Essayworld.com. June 29, 2005. Accessed November 23, 2024. http://www.essayworld.com/essays/Air-Pollution/29256.

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PAPER DETAILS

Added: 6/29/2005 09:31:15 AM
Category: Science & Nature
Type: Free Paper
Words: 475
Pages: 2

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