The satellite image, although stunning, shows the impact climate change is having on Greenland s ice sheet. The shades of blue are areas that have melted and the water is heading out to sea.
This spike melt, from July 15 through 17, was due to temperatures being 10 degrees warmer than normal. During this time, Greenland s ice sheet lost 6 billion tons of water per day.
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With global warming no longer just a threat but a full-blown crisis, Columbia experts are on the frontlines, documenting the dangers and developing solutions.