Ice-free Arctic Ocean may not be of much use in soaking up carbon dioxide

The summer of 2010 has been agonizingly hot in much of the continental US, and the record-setting temperatures have refocused attention on global warming. Scientists have been looking at ways the Earth might benefit from natural processes to balance the rising heat, and one process had intrigued them, a premise that melting ice at the poles might allow more open water that could absorb carbon dioxide, one of the major compounds implicating in warming.

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