Frostpaw the polar bear with the melting ice bear. Artist Mark Coreth and his team from the Ice Bear Project carved this beautiful polar bear out of ice on December 5, 2009, in Copenhagen’s Nytorv ...

The great white polar bear is the youngest and largest of the world's bear ... could be extinct by 2050 if greenhouse gas-fueled global warming keeps melting their Arctic sea-ice habitat. The Center ...

MORE: Prolonged ice-free periods putting Hudson Bay polar bear population at risk of extinction: Study The melting of the sea ... for their cubs -- jeopardizing cub survival, Archer said.