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Sulfur Dioxide Increasing Over India
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Published December 20, 2013
A new analysis of data from the Aura satellite shows greater concentrations of this atmospheric pollutant.
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A Satellite’s View of Ship Pollution
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Published February 8, 2013
Elevated levels of nitrogen dioxide popped out over certain shipping lanes when observed by Aura.
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Volcanic Fertilizer
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Published January 31, 2013
An eruption in the Aleutian Islands prompts a bloom of plankton 2000 miles downwind. The ocean soaks up carbon dioxide in the process, but not as much as you'd think.
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Watching the Ozone Hole Before and After the Montreal Protocol
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Published September 18, 2012
NASA satellites have observed the Antarctic ozone hole since the late 1970s—before and after nations agreed to stop producing chemicals that destroy the ozone layer.
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