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Greenland ice sheet faces 'tipping point in 10 years' http://apocadocs.com/s.pl?1281479734
The entire ice mass of Greenland will disappear from the world map if temperatures rise by as little as 2C, with severe consequences for the rest of the world, a panel of scientists told Congress today.... "Sometime in the next decade we may pass that tipping point which would put us warmer than temperatures that Greenland can survive," Alley told a briefing in Congress, adding that a rise in the range of 2C to 7C would mean the obliteration of Greenland's ice sheet.
The fall-out would be felt thousands of miles away from the Arctic, unleashing a global sea level rise of 23ft (7 metres), Alley warned. Low-lying cities such as New Orleans would vanish.
"What is going on in the Arctic now is the biggest and fastest thing that nature has ever done," he said.... "While we don't believe it is possible to lose an ice sheet within a decade, we do believe it is possible to reach a tipping point in a few decades in which we would lose the ice sheet in a century."
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[Read more stories about:
rising sea level, arctic meltdown, melting glaciers, climate impacts, faster than expected, tipping point]
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