Polar Melt

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A British Antarctic Survey two-man field camp next to The Obelisk on Alexander Island, Antarctic Peninsula. (Image courtesy of Hamish Pritchard, British Antarctic Survey)

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The late summer sun sets over mountains and icebergs around Adelaide Island, Antarctic Peninsula, as twenty-four hour daylight gives way to the long polar night of winter. (Image courtesy of Hamish Pritchard, British Antarctic Survey)

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Hamish Pritchard on a British Antarctic Survey expedition in the Herschel Heights, Alexander Island. Rock samples can tell us when these summits emerged from the retreating ice sheet. (Photo courtesy of Mike Brian)