The distance in miles that isotherms (bands of average temperatures) have shifted northward during the last 30 years. This means that the Arctic—as defined by temperature—is shrinking.
The average annual volume of ice, in billions of tons, shed by the Greenland Ice Sheet from 2003–2006. Over the past decade the overall discharge of icebergs on Greenland has surged by 30 percent.
The fraction of Arctic lands governed by the Russian Federation and Canada.
A Chukchi shaman performing a ritual.
A quarter of the world's oil and gas reserves are trapped under the arctic ice. These waters were first explored with Arctic icebreaker ships.
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