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Search Results for “AIR POLLUTION”
 
 
1) air pollution. The Columbia Encyclopedia, Sixth Edition. 2001
...air pollution, contamination of the air by noxious gases and minute particles of solid and liquid matter (particulates) in concentrations that endanger health. The...

2) air pollution. The New Dictionary of Cultural Literacy, Third Edition. 2002
...air pollution The addition of harmful chemicals to the atmosphere. The most serious air pollution results from the burning of fossil fuels, expecially in internal-combustion...

3) pollution. The Columbia Encyclopedia, Sixth Edition. 2001
...The term pollution refers primarily to the fouling of air, water, and land by wastes (see air pollution; water pollution; solid waste). In recent years it has come...

4) smoke. The Columbia Encyclopedia, Sixth Edition. 2001
...and tarry substances, or soot. To reduce the amount of smoke entering the atmosphere, air pollution laws generally require that power plants, factories, and other...

5) smog. The Columbia Encyclopedia, Sixth Edition. 2001
...smog, (smog) (KEY) [smoke+fog], dense, visible air pollution. Smog is commonly of two types. The gray smog of older industrial cities like London and New York derives...

6) smog. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...1. Fog that has become mixed and polluted with smoke. 2. A form of air pollution produced by the photochemical reaction of sunlight with hydrocarbons and nitrogen...

7) 46091. Reagan, Ronald. The Columbia World of Quotations. 1996
...NUMBER:46091 QUOTATION:Approximately 80% of our air pollution stems from hydrocarbons released by vegetation, so let's not go overboard in setting and enforcing tough...

8) photochemical smog. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Air pollution produced by the action of sunlight on hydrocarbons, nitrogen oxides, and other pollutants....

9) thermal pollution. The New Dictionary of Cultural Literacy, Third Edition. 2002
...gases or heated wastewater (often from electrical generating plants) into the air or water. 1 Thermal pollution of the air can affect the weather; thermal pollution...

10) 37022. Lundborg, Louis B. The Columbia World of Quotations. 1996
...NUMBER:37022 QUOTATION:If when a businessman speaks of minority employment, or air pollution, or poverty, he speaks in the language of a certified public accountant...

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