POV Footage Shows Polar Bears Struggling to Find Food | National Geographic - YouTube
Melting sea ice forces polar bears to travel farther for food | College of Arts and Sciences | Washington State University
Polar Bears International on Twitter: "We're counting down to #ArcticSeaIceDay with one week of sea ice facts! Fact 1: Sea ice is to the Arctic ecosystem what soil is to the forest.
Climate Change Forcing Polar Bears To Forage Garbage Dump For Food: Study