Air Pollution Essay

746 words - 3 pages

Air pollution occurs when wastes dirty the air. People produce most of
the wastes that cause air pollution. Such wastes can be in the form of
gases or particles of solid or liquid substance. These substances
result chiefly from burning fuel to power motor vehicles. Industrial
processes and the burning of garbage also contribute to air pollution.
natural pollutants include dust, soil particles and naturally
occurring gases.

The rapid growth of population and industry and the increased use of
automobiles and airplanes, have made air pollution a serious problem.
the air we breathe has become so filled with pollutants that it can
cause health ...view middle of the document...

Metal smelting plants give off large amounts of sulfur oxides
and particles containing lead and other metals. Plants that produce
plastic foam are a major source of
chlorofluorocarbons(CFC's),compounds of chlorine,fluorine and carbon.

· Burning of solid wastes often creates a very visible form of air
pollution-thick,black smoke. The burning of garbage, leaves and other
refuse is banned in most countries.

· Other sources of pollution include chemical sprays and organic
chemicals used to start fires on charcoal grills. Forest fires also
contribute to air pollution. In developing countries, the burning of
forests and grasslands to clear areas for farming is a major source of
air pollution.

· Natural sources also contribute to air pollution. Microbes in the
guts of cattle and in rice paddies break down plant materials and
release an odorless gas called methane, a type of hydrocarbon.

Effects of air pollution

· Health. When people breathe polluted air, the impurities can
irritate thair air passages and their lungs. Particles often remain in
the lungs and can worsen such respiratory ailments as asthma and
bronchitis. Radon can cause lung cancer if inhaled in large
quantities.Certain chemical compounds can cause cancer and birth
defects. Ozone can aggravate emphysema(lung disease in which victims
have difficulty breathing,especially when exhaling), and reduces
resistance to colds and pneumonia. In addition, carbon...

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