Scientists warn of rising sea levels as huge Antarctic ice sheet slowly melts

May 12, 2014 10:50 PM

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Scientists warn of rising sea levels as huge Antarctic ice sheet slowly melts

WASHINGTON -- The huge West Antarctic ice sheet is starting a glacially slow collapse in an unstoppable way, two new studies show. Alarmed scientists say that means even more sea level rise than they figured.

The worrisome outcomes won't be seen soon. Scientists are talking hundreds of years, but over that time the melt that has started could eventually add 4 to 12 feet (1.2 to 3.6 metres) to current sea levels.

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