Scientists find evidence of long-term warming inside Greenland’s ice sheet

Alaska Dispatch: In the mid-20th century, when Carl Benson was traveling Greenland gathering data he would use to write his Ph.D. thesis on the temperature, structure and composition of the hard-packed snow that covers that island, conditions deep beneath the surface were fairly consistent: white, firm, cold and dry. “If you could imagine cutting a wall of Styrofoam, that’s what it was like,” said Benson, now a professor emeritus with the University of Alaska Fairbanks’ Geophysical Institute. Related: How dust......

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