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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 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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