Associated Press
In this Jan. 22, 2015 photo, Gentoo penguins stand on rocks near the Chilean station Bernardo O'Higgins, Antarctica. Here on the Antarctic peninsula, where the continent is warming the fastest because the land sticks out in the warmer ocean, 49 billion tons of ice (nearly 45 billion metric tons),  is lost a year according to NASA. (AP Photo/Natacha Pisarenko)

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Antarctica Photos

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