Scientists aboard a NASA airplane swooped over some of Greenland's largest glaciers on Monday, spotting melted ice and raging rivers.
It's significant, because though it's not nearly summer, large blue ponds have already formed on the icy ground. NASA’s Operation IceBridge researchers observed this as part of their mission to watch for changes in Earth’s giant masses of polar ice. Greenland, in particular, has been melting at an accelerated rate for some two decades.
"Although the story of the...
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