McKibben Must-Read: ‘Global Warming’s Terrifying New Math’

p“Three simple numbers that add up to global catastrophe — and that make clear who the real enemy is” CO2 emissions by fossil fuels [1 ppm CO2 ~ 2.12 GtC, where ppm is parts per million of CO2 in air and GtC isgigatons of carbon] via Hansen. Significantly exceeding 450 ppm risks several severe and irreversible […]/p

via McKibben Must-Read: ‘Global Warming’s Terrifying New Math’.

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