On the face of it, that sounds like a scenario straight out of cheap science fiction. But even if the odds of calamity are small, why gamble?

乍看起来，这种情况，听起来好像是直接来自廉价科幻小说的情节。虽然造成灾难的可能性很小，可是为什么要去冒险呢？

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This dire Himalayan glacier calamity was predicted by a preeminent international climate science organization, none other than the United Nations Intergovernmental Panel on Climate Change (IPCC).

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The science here is thin: nobody knows what level of greenhouse gases in the atmosphere would trigger such a calamity.

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