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I have seen estimates the climate change will reduce world GDP by about 6% by 2100, which is about 3 years of economic growth. So in 2100 the world will only be

I have seen estimates the climate change will reduce world GDP by about 6% by 2100, which is about 3 years of economic growth. So in 2100 the world will only be about as rich as it would be in 2097 without climate change. That is far from "destroying civilization", and I think that many of the actions proposed in the name of climate change will cost more than 6% of GDP by 2100.

blacksqr 5y ago
If your estimates are true, focusing solely on GDP once again ignores the externality of the millions of people who will die or be displaced by climate change. Saying "GDP will come out okay" is equivalent to saying "the rich will come out okay", which may well be true, and you may find that comforting. Other people, perhaps not so much.