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News Release 10-196
Plants Play Larger Role Than Thought in Cleaning up Air Pollution
Chemicals known as oxygenated volatile organic compounds (oVOCs) affect environment, human health
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Poplars, aspens, other trees provide extensive "ecosystem services."
Credit: USDA
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Deciduous trees in hardwood forests remove harmful chemicals from the atmosphere.
Credit: USDA
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Trees absorb more of a common air-polluting chemical than thought.
Credit: USDA
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Falling leaves act as tiny ferryboats that carry atmospheric gases with them to the forest floor.
Credit: USDA
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The cover of the October 22, 2010 issue of the journal Science.
Credit: Copyright AAAS 2010
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