Polar Melt

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Close-up of large crevasses produced by Pine Island Glacier’s rapidly stretching ice just above its grounding line (the transition from grounded to floating ice). (Photo courtesy Ian Joughin)

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Curvi-linear crevasses in a region of complex ice flow on Pine Island Glacier, West Antarctica. (Photo courtesy Ian Joughin)

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Koji Kubota of the Japan Coast Guard keeps watch while flying in the search zone for debris from flight MH370, April 1, 2014.

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People pass by barricades near the Dnipro Hotel in Kyiv, April 1, 2014.