Expedition to the North Pole: French Oil Giant to Measure Arctic Melt - SPIEGEL ONLINE - 0 views
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Satellite photos show that the surface of the ice is shrinking. But whether the North Pole will be ice-free in 40 years, 60 years or never is mere speculation. To this day, scientists are still unable to determine exactly how thick -- or thin -- the ice in the Arctic actually is.
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