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Wednesday, November 11, 2009 |
Wednesday, November 11, 2009 |
Photo: Extreme Global Warming Fix Proposed: Fill the Skies With SulfurA scientist has proposed re-creating this effect by seeding the upper atmosphere with sulfur to help stave off the effects of global warming. Photograph courtesy Dave Harlow/USGS
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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