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Pollutant Emissions Leveling Off a Bit in the U.S.
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Published May 31, 2018
Satellite data show that nitrogen oxide and carbon monoxide are not declining as much as projected by models.
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Measurements Show Reduction in Ozone-Eating Chemical
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Published February 13, 2018
New research from NASA scientists shows that the amount of chlorine in the stratosphere over the South Pole is declining at the same time that ozone holes are becoming less severe.
Sulfur Dioxide Emissions Fall in China, Rise in India
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Published November 14, 2017
Pollution controls can work even as coal-usage continues.
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