Polar Bear on sea ice.

A polar bear photographed from the deck of the Greenpeace ship Arctic Sunrise, in drifting and unconsolidated sea ice in Kane Basin, off Cape Clay, at a position of 79 57.359N 064 51.120W.

The second homeless polar bear by street artist Mark Jenkins sits on the sidewalk at Gallery Place/Chinatown in Washington, D.C., Sept. 11, 2008. The bear was part of a series of life-sized installations deployed around the city to call attention...

A polar bear observed on the banks of Liefdefjord, photographed on a long lens from the safety of an inflatable some way off shore. The bear was left sleeping by the party, happy that they had not disturbed it. Read the crew's reaction .

Broken and unconsolidated sea ice in the Greenland sea. Polar bear rely on sea ice for hunting. In a 3°C world, the sea ice will disappear completely in summer, and will be present only in a few places in winter. Polar bears are far from the only...

30 June - Greenland. A polar bear seen from the Greenpeace ship Arctic Sunrise during a scientific expedition to investigate and draw attention to the impacts of climate change Read more

Polar Bears on an ice shelf. Mother and cub.

An activist dressed in polar bear costume is arrested outside the US Department of the Interior.