Every single indicator discussed in the report adds to the unequivocal evidence that global warming is (a) real and (b) man-made. I urge you to read it. In my opinion, global warming denialists are either cretins or venal. Especially since the cost of switching to renewables is negligible.
And if that doesn't scare you (and it should), this article about how the warming of the Arctic (2-3 times as fast as the globe as a whole) is leading to the massive release of methane which is, over a 20 year period, 85 times as potent a greenhouse gas as CO2 is.
We need to do something about global warming and we need to do it NOW. Not by 2050. That will be too late.
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