BBC Earth - A Polar Bear's Struggle by Justin Hofman, USA Justin's whole body pained as he watched this starving polar bear at an abandoned hunter's camp, in the Canadian Arctic, slowly
BBC One - Frozen Planet II, Series 1, Frozen Ocean, Young polar bear friendship
Canada's polar bear population plummets - government report - BBC News
Polar bears 'running out of food' - BBC News
Wildlife film-maker's close call with a polar bear - BBC News
BBC Two - Wonders of Nature, Polar Bear - Mother and Baby
Canada's polar-bear capital Churchill warms too fast for bears - BBC News
Polar bear 'cannibalism' pictured - BBC News
BBC News Features Travel Photographer of the Year Images – www.WILDNATUREPHOTOTRAVEL.com
Polar bears - BBC News
BBC Two - Life in Polar Bear Town with Gordon Buchanan
BBC World Service - Outlook, Swimming with polar bears – a photographer's 'crazy' dream
BBC Two - The Polar Bear Family and Me
Polar Bear Cubs Taking Their First Steps | Planet Earth | BBC Earth - YouTube
Best Polar Bear Moments | Part 1 | BBC Earth - YouTube