Global warming  The vanishing north-Courtesy of The Economist

There are benefits in the melting of the Arctic, but the risks are much greater

Jun 16th 2012 | from the print edition

NOW that summer is here, the Arctic is crowded with life. Phytoplankton are blooming in its chilly seas. Fish, birds and whales are gorging on them. Millions of migratory geese are in their northern breeding grounds. And the area is teeming with scientists, performing a new Arctic ritual.

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