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Greenpeace activists are in a boat in front of energy giant Gazprom's Arctic oil platform Prirazlomnaya in the Pechora Sea on Friday, Aug. 24, 2012. Greenpeace activists have stormed a floating oil rig in Russia's Pechora Sea, hundreds of miles (kilometers) from the nearest port, to protest oil drilling in the Arctic, the environmental organization said Friday. (AP Photo/Denis Sinyakov, Greenpeace)

Greenpeace activists are in a boat in front of energy giant Gazprom's Arctic oil platform Prirazlomnaya in the Pechora Sea on Friday, Aug. 24, 2012. Greenpeace activists have stormed a floating oil rig in Russia's Pechora Sea, hundreds of miles (kilometers) from the nearest port, to protest oil drilling in the Arctic, the environmental organization said Friday. (AP Photo/Denis Sinyakov, Greenpeace)

The vanishing arctic

September 2, 2012

The world's Arctic ice cap has shrunk to a new low, surpassing a record set only five years ago.