Gerry Canavan

the smartest kid on earth

350.org

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Bill McKibben in The Nation talks about 350.org.

A few weeks ago, our foremost climatologist, NASA’s Jim Hansen, submitted a paper to Science magazine with several co-authors. The abstract attached to it argued–and I have never read stronger language in a scientific paper–“if humanity wishes to preserve a planet similar to that on which civilization developed and to which life on earth is adapted, paleoclimate evidence and ongoing climate change suggest that CO2 will need to be reduced from its current 385 ppm to at most 350 ppm.” Hansen cites six irreversible tipping points–massive sea level rise and huge changes in rainfall patterns, among them–that we’ll pass if we don’t get back down to 350 soon; and the first of them, judging by last summer’s insane melt of Arctic ice, may already be behind us…

Written by gerrycanavan

May 12, 2008 at 7:09 pm

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