Antarctic Ice Sheet Is Melting Faster: New Study

Rapidly rising sea levels that inundate the coastlines where billions of people live is one of the more worrisome concerns associated with climate change. A new report in Nature suggests that the rate of melting of crucial Antarctic ice sheets has tripled during the past 25 years and is accelerating sea level rise. The melting is the result of warmer ocean waters undermining glaciers grounded on sea bottoms around Antarctica and increased surface melt from warmer air temperatures. If all of the glaciers on the southern continent were to melt then sea level would rise by 58 meters (190 feet).
In its Fifth Assessment Report, the Intergovernmental Panel on Climate Change suggested that average sea level rose by 7.5 inches between 1901 and 2010. The IPCC also reported that sea level very likely rose at a rate of about 1.7 millimeters (0.07 inch) per year between 1901 and 2010, but had

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