1.0 link 96316 http://www.huffingtonpost.com/george-spyros/350-is-the-most-important_b_96316.html Way back in December, and given the topic of this post that is indeed way back, James Hanson, coming in at number one atop Nixon's Cheny-Bush's enemy scientists list, made an alarming declaration: we have already exceeded the amount of atmospheric C02 necessary to maintain the planet as we know it. In fact, the planet as it has existed for the entire evolution and lifetime of the human species where the concentration of carbon in the atmosphere remained roughly...

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