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Ozone Hole is Big, But Tempered by CFC Reductions
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Published November 14, 2018
The hole in the ozone layer over Antarctica was slightly above average size in 2018, but smaller than expected for the weather conditions.
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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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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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