Polar bears aren't actually white. Their color is determined ... Underneath all that hair, polar bear skin is actually black. The black skin readily absorbs sunlight to keep the bear warm.

Polar bears aren't actually white. Their color is determined ... Underneath all that hair, polar bear skin is actually black. The black skin readily absorbs sunlight to keep the bear warm.

Paul had warned me about the polar bear’s condition, but nothing could have prepared me for what I saw. The bear’s once white coat was molted and dirty. His once robust frame was skin and bones.

“It’s a pretty special thing to see polar bear cubs emerge into this vast, white landscape that appears so inhospitable ... due to climate-driven changes, and are likely to face further challenges ...