Satellites Reveal Rapid Polar Melting
Recent NASA satellite images and space-based measurements of the thickness of Earth’s polar ice sheets show they are melting much more rapidly than we thought. Large areas of ice in southeast Greenland, West Antarctica and the Antarctic Peninsula are changing rapidly and scientists don’t understand why this is happening so fast. NASA?s Eric Rignot says, “Earth’s polar ice sheets are changing over relatively short time scales, that is, decades versus thousands of years.”
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