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Web Date: April 30, 2010

Emissions Controls May Cut Plant Aerosols

Atmospheric Chemistry: Reducing pollution may remove particles previously thought to be part of the natural background
Department: Government & Policy
News Channels: Environmental SCENE
Keywords: aerosols, secondary organic aerosols, EPA, pollution, nitrogen oxides, particulate matter

Reducing man-made emissions could decrease aerosols that come from plants, according to new simulations by scientists from the Environmental Protection Agency.

In the atmosphere, volatile hydrocarbons released by trees and other plants form hazardous particles called biogenic secondary organic aerosols. These aerosols can irritate people's airways and scatter sunlight to alter a region's climate. Because the particles' origins are natural, policymakers have considered them uncontrollable. But new simulations ( . . .

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ISSN 0009-2347
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