Arctic ‘Death Spiral’ Leaves Climate Scientists Shocked and Worried

Worse than the worst case

A “radical shift” is plunging the Arctic Ocean towards an ice-free state for the first time in millions of years. One of the world’s foremost ice experts, Professor Peter Wadhams of Cambridge University, calls it a “global disaster” that will cause such a big boost in global temperatures that even such extreme measures as geo-engineering need to be considered urgently.

Climate science has long understood that disappearance of summer sea ice in the Arctic would be a “tipping point” in the Earth’s climate system, accelerating global temperatures and causing extreme weather and other climate changes far beyond the Arctic. Yet nearly every expert has been shocked by just how rapidly this “continent of ice” has been vanishing, and how dramatic the impacts have been already.

Climate scientists and ice experts are now using phrases like “unprecedented”, “amazing”, “extreme”, “hard to exaggerate”, “incredibly fast”, “death spiral” and “heading for oblivion”.

More: Arctic ‘Death Spiral’ Leaves Climate Scientists Shocked and Worried

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