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Pumphandle 2012: Time history of atmospheric carbon dioxide

Time history of atmospheric carbon dioxide from 800,000 years before present until January, 2012. Recommend full screen/HD to read titles. See http://carbont...

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Comment by J. C. Walker,Jr. on May 10, 2013 at 9:36pm

So we should be at 500 ppm within a decade.

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