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Associated Press
AP10ThingsToSee - Gentoo penguins stand on rocks near the Chilean station Bernardo O'Higgins, Antarctica on Jan. 22, 2015. 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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