Start Date: End Date: Published Date Data Date
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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Ozone Hole 2015
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Published October 27, 2015
The ozone hole over Antarctica grew relatively large and deep in 2015.
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Tracking the Sulfur Dioxide from Calbuco
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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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UN Panel: Ozone Layer on the Road to Recovery
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Published September 17, 2014
The growth of the ozone hole appears to have stopped thanks to the banning of most ozone-depleting chemicals.
“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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