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March 2007 -- Within the frozen confines of Earth's polar regions lie secrets -- clues scientists believe can help unravel some of the mysteries that drive Earth's climate.
Overview: Cool Science
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JPL observes International Polar Year.
Video: International Polar Year
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Glaciers, ice sheets and oceans at Earth's poles are the subject of the International Polar Year. NASA also begins work to explore other poles in our solar system.
Slide Show: Cool Science
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Icebergs, fjords, glaciers. All part of the view at Earth's poles.
Gravity Measurements Help Melt Ice Mysteries
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Greenland is cold and hot. It's a deep freezer storing 10 percent of Earth's ice and a subject of fevered debate.
Visit the NASA International Polar Year site to learn more.
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