Slide of north Greenland glacier quickens, raising sea levels

Reuters: A glacier in northeast Greenland with enough ice to raise world ocean levels by 50 cms (20 inches) has begun to slide faster toward the sea, extending ice losses to all corners of the vast remote island, a study showed on Thursday. Warmer water temperatures meant the end of the Zachariae Isstrom glacier floated free from a ridge of bedrock below sea level on which it had rested until 2012, according to the U.S. study reported in the journal Science. Without that natural brake, the glacier in the......

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