By every measure, the U N ‘s Intergovernmental Panel on Climate Change raises the level of alarm. The fact of global warming is “unequivocal.” The certainty of the human role is now somewhere over 90 percent. Which is about as certain as scientists ever get.
I would like to say we’re at a point where global warming is impossible to deny. Let’s just say that global warming deniers are now on a par with Holocaust deniers, though one denies the past and the other denies the present and future.
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