Tundra Fires and Melting Sea Ice

Devastating tundra fires, melting sea ice and polar animal migrations are shaping the arctic into a very new landscape with a profound impact on a host of global issues.

Polar bears fighting
In the 1990s, scientists such as Ian Stirling and Andrew Derocher predicted the demise of polar bears at the southern edge of their range as sea ice retreated.
Photo by Edward Struzik