Flooding fears as glaciers melt faster
By Shankar Vedantam, WashingtonFebruary 18, 2006
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Alarming satellite images show seas rising far faster than expected.
GREENLAND'S glaciers are melting into the sea twice as fast as previously believed, the result of a warming trend that renders obsolete predictions of how quickly the Earth's oceans will rise over the next century.
The new information, from satellite imagery, gives fresh urgency to worries about the role of human activity in global warming. The Greenland data is mirrored by findings from Bolivia to the Himalayas, scientists said, noting that sea-level rise threatens widespread flooding and severe storm damage in low-lying areas worldwide.
The scientists warned that they did not yet understand the precise mechanism causing glaciers to flow and melt more rapidly, but they said the changes in Greenland were unambiguous - and accelerating.
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