![](http://www.ecns.cn/hd/2019/09/05/724d0494707042af9a6c7b5b2544ab47.jpg)
Greenland's massive ice sheet may have melted by a record amount this year, scientists have warned. Rising global temperatures constitute a "death sentence" for Greenland as we know it, according to a scientist from the Geological Survey of Denmark. (Photo/IC)