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Human Tipping Points: Why I'm Optimistic About Solutions to Global Warming and Nuclear Winter

By Alan Robock

Many people worry about “tipping points” in the climate system. For example, could a small increase in Arctic temperatures cause a major methane release with accelerated global warming? Will a little warming cause rapidly accelerating collapse of the Greenland and Antarctic ice sheets, quickly flooding low-lying regions? Or could a small disturbance along the India-Pakistan border erupt into a nuclear war that could produce global famine, as I wrote about here recently and described in a TEDx talk last year? How close we are to these and other tipping points is the subject …read more

Source: Huffington Post Green