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A Satellite View of Earth's Changing Ice
Meltwater lakes form on the surface of Greenland's Petermann Glacier, seen here in a June 2019 Landsat image. A new study finds that the number – and elevation – of meltwater lakes in Greenland is increasing. How do scientists know? Earth's glaciers and ice sheets, as seen from space – some spanning nearly 50 years – are providing scientists with new insights into how the planet's frozen regions are changing. NASA/USGS/UPI

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A Satellite View of Earth's Changing Ice
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