Polar Melting May Raise Sea Levels Faster than Anticipated

A set of papers published in the 24 March issue of Science suggest that the ice sheets covering both the Arctic and Antarctic could melt more quickly than expected this century.

Two studies led by scientists at the National Center for Atmospheric Research (NCAR) and the University of Arizona blend computer modeling with paleoclimate records to show that by 2100 Arctic summers may be as warm as they were nearly 130,000 years ago when sea levels rose to 20 feet (6 meters) higher than they are today.

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