Start Date: End Date: Published Date Data Date
SO2 Pollution Controls Bring Results
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Published December 2, 2011
Scientists using a NASA satellite found that sulfur dioxide levels in the vicinity of major coal-fired power plants in the U.S. have fallen by half since 2005.
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A Day of Night-Shining Clouds
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Published January 28, 2011
High-altitude night-shining clouds form and dissipate on a daily cycle revealed in this series of images made from data from the Ozone Monitoring Instrument on NASA’s Aura satellite.
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Night-Shining Clouds are Getting Brighter
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Published January 27, 2011
The rare night-shining clouds seen in this photo are both forming more frequently and becoming brighter, trends that point to changes in the atmosphere linked to greenhouse gases.
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Smog over China
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Published October 14, 2010
In early October 2010, a high-pressure system settled in over eastern China, allowing the air to stagnate, pollution to accumulate, and thick smog and heavy fog to build up to hazardous levels.
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