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NASA Beautifully Observes Photosynthesis From Space (VIDEO)

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NASA Beautifully Observes Photosynthesis From Space (VIDEO)

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photosyn

 

NASA: Human Activity, Not Solar Activity, Drives Global Warming and Returning to 350 ppm Is Needed to Stop It

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NASA: Human Activity, Not Solar Activity, Drives Global Warming and Returning to 350 ppm Is Needed to Stop It

See also: http://www.giss.nasa.gov/research/briefs/hansen_16/

NASA: Global warming caused mostly by humans

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NASA: Global warming caused mostly by humans