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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.
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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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Satellite Tracks Ozone Pollution by Monitoring Its Key Ingredients
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Published November 7, 2017
Understanding the chemical precursors of ground-level ozone may make it easier to prevent the pollutant from building up in the lower atmosphere.
Ozone Hole is Smallest Since 1988
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Published November 3, 2017
The smaller ozone hole was strongly influenced by an unstable and warmer-than-usual Antarctic vortex.
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The Amazon Makes its Own Wet Season
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Published October 31, 2017
Satellite measurements of heavy isotopes in water vapor help solve a mystery of the rainforest.
The Ups and Downs of Sulfur Dioxide in North America
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Published May 26, 2017
Sulfur dioxide emissions have declined in the eastern United States and risen slightly in Mexico.
Russian Volcano Rumbles
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Published March 28, 2017
For the first time in nearly 250 years, the Kambalny Volcano ejected ash.
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The Rise and Fall of SO2 Over Aruba
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Published March 22, 2017
Emissions maps tell the story of global oil markets.
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