Wednesday, December 4, 2013

Abrupt Climate Change Still Looming

Climate change poses little threat of causing greenhouse gases to gush from the Arctic or the Gulf Stream to slosh to a stop, at least in this century, concludes a report released today by a committee of the National Research Council (NRC). But the uncertainties associated with passing tipping points in the climate system are dangerously large, the NRC committee finds. To remedy that, the committee recommends the creation of an early warning system to alert policymakers to new threats of abrupt change and, of course, further research to reduce those uncertainties. “The time is here to be serious about the threat of tipping points,” the report concludes, “so as to better anticipate and prepare ourselves for the inevitable surprises.”

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