TROMSO, Norway - Thinning polar ice means more sea traffic through the Arctic at a time of territorial claims to an area that could contain as much as 20 percent of the world's undiscovered oil and natural gas reserves. U.S. Secretary of State Hillary Clinton met with Norwegian officials to discuss the changing Arctic. Over the last 20 years, Norwegian climate scientists say the Arctic has been losing 45,000 square kilometers of ice cover a year. That has opened new shipping routes ...
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