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For the first time, the melting of glaciers in Greenland can now be measured with high accuracy from space. The Greenland ice shield had to cope with up to 240 gigatons of mass loss between 2002 and 2011. This corresponds to a sea level rise of about 0.7 mm per year. The twin satellites GRACE (Gravity Recovery and Climate Experiment) celebrate their 10th anniversary in orbit this month. [Source: ScienceDaily]
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