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Re:July was the hottest month ever recorded, according to Nasa by spdustin on Tuesday August 23, 2016 @01:57PM (#12345837)
You seem to be overlooking the part of those predictions that deal with the societal effects that the forced migration of entire cultures would likely entail when those groups try to ensure their own survival as they leave behind their homelands because their land is under water / no longer arable / too hot / too cold.

War.

Re:July was the hottest month ever recorded, according to Nasa by CWuestefeld on Tuesday August 23, 2016 @03:21PM (#12346661)
Not at all. If things ever got to the point of forced migrations, that migration would necessarily entail a plunge in their GDP, thus at least slowing the effect.

(The other replies to my GP point out a delay in the feedback loop. I'm still thinking on that part.)