The fraction of Arctic lands governed by the Russian Federation and Canada.
The estimated amount of carbon, in gigatons, locked up in northern permafrost. As temperatures rise, the reservoir is leaking carbon dioxide and methane to the atmosphere.
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.
A Chukchi shaman performing a ritual.
Arctic ice plays an important role in the climate system. It influences the environment across the globe.
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