10 billion tons of meltwater poured off Greenland in a day — but are things as bad as the Twittersphere says?

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Comparison of satellite images of the western edge of the Greenland Ice Sheet about 250 miles across, one acquired in 2018 on July 30, and the other on July 31 of this year. Vastly expanded areas of blue in this year’s image are indicative of water at the surface. The gray area, known as the “ablation zone,” is where ice is exposed and experiencing melting. (Images: NASA Worldview. Animation: Tom Yulsman)

As forecast, the dome of heat that brutalized Western Europe has moved over Greenland,

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