In a warming world, the polar bear has become the unofficial mascot of ecological collapse. We’ve all seen the photos of these majestic predators reduced to skin and bone, clinging to ever-shrinking ...

Melting glaciers and ice sheets are raising sea levels while the Arctic is poised to log one of its worst winters on record.

The finding offers a small window of hope for a polar bear population vulnerable to the effects of climate change. A polar bear (Ursus maritimus) walks on pack ice in Svalbard, Norway. The effects ...