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永利集团游戏平台:Last chance to hold Greenland back from tipping point

作者:谈驾苏    发布时间:2019-03-07 02:20:07    

By Anil Ananthaswamy New data and models show that Greenland’s ice cap, the world’s second largest, is on track to hit a point of no return in 2040 ON 4 AUGUST 2010, the Petermann glacier in Greenland sounded a warning. A gigantic slab of ice broke off and the glacier retreated 15 kilometres, leaving it further inland than it has been since observations began a century ago. That warning went unheeded at the UN climate talks in Cancún, Mexico, last month. Delegates left without agreeing drastic cuts in greenhouse gas emissions,

 

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