Polar bears are on the front lines of climate change in the Arctic and an indicator species for the effects of global warming.
For threatened polar bears, the climate change diet is a losing proposition
How Polar Bears Are Affected by Climate Change in Svalbard
Climate Change Threatens Polar Bears
Polar Bears Affected by Climate Change
For Polar Bears, a Climate Change Twist - The New York Times
Scientists hatch bold plan to save polar bears
How has global warming impacted polar bears? - Quora
Climate change may kill off nearly all polar bears by 2100
Stop Oil and Gas from Pushing Polar Bears to the Edge of Extinction
Polar Bears and Climate Change, Pages
Polar Bears Are Suffering from the Arctic's Loss of Sea Ice. So Is Scientists' Ability to Study Them - Inside Climate News