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Ozone Hole 2013
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Published October 26, 2013
Ozone depletion was significant in 2013, but less than the long-term average.
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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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Pollution across Southwestern Asia
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Published January 18, 2013
NASA’s Aura satellite observes nitrogen dioxide hovering over many cities in the region, trapped by winter weather conditions.
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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Emissions from Oil Sands Mining
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Published March 2, 2012
Nitrogen dioxide emissions rise with the expansion of bitumen mining operations in Canada.
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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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