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As climate changes, how do Earth's frozen areas affect our planet and impact society?

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A portion of the West Antarctic Ice Sheet visible from an aircraft
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From December 2009 to March 2010, NSIDC Lead Scientist and Antarctic expert Ted Scambos will travel to the Larsen Ice Shelf region in Antarctica to study the effect of ice shelf collapse on Antarctic glaciers.

Nansen_glacier_3
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With few exceptions, glaciers around the world have retreated over the last century. Some ice caps, glaciers, and shelves have disappeared altogether. Many more are retreating so rapidly that they may vanish within decades.