By A Mystery Man Writer
Skating on thin ice: polar bears in a warming future
TIME for Kids
Climate change is altering the diet of polar bears
Busy Times at the World's Largest Polar Bear Prison - The Atlantic
Are Polar Bears Skating on Thin (Arctic) Ice?
Polar Bears on Thin Ice
Sea Ice - Woods Hole Oceanographic Institution
Polar bears no longer on 'thin ice': research
On Thin Ice! Polar Bears in a Warming World: The Impact of Arctic
TIME for Kids