Start Date: End Date: Published Date Data Date
A Decade of Change for Nitrogen Dioxide
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Published January 28, 2016
From 2005 to 2014, the Aura spacecraft observed increases in the air pollutant in some cities and decreases in others.
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Sulfur Dioxide Down over the United States
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Published December 22, 2015
Levels of the air pollutant have dropped by about 80 percent over the eastern United States.
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Sulfur Dioxide Down over China; Up over India
Published December 15, 2015
A decade of satellite observations show how levels of a common air pollutant have changed over Asian skies.
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Tracking the Sulfur Dioxide from Calbuco
Published April 29, 2015
Along with copious amounts of ash, the volcano in Chile has been spewing sulfur dioxide gas that can have effects on climate.
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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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