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“Killer” Trees? Not Exactly
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Published July 16, 2014
While some forests emit volatile organic compounds that are involved in ozone pollution, history shows attempts to control smog have a better chance of succeeding by focusing on vehicle emissions.
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Put a Lid on It
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Published June 27, 2014
Devices that limit NOx emissions from electric power plants have helped clear the air over the United States.
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Arctic Ozone in Spring
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Published June 8, 2014
Patterns of ozone accumulation and depletion are very different around the North Pole.
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Sulfur Dioxide Increasing Over India
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Published December 20, 2013
A new analysis of data from the Aura satellite shows greater concentrations of this atmospheric pollutant.
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