Image credits
Image Credits:

Video: "Polar bears weather the winter": Footage by David O. Brown, courtesy of the Macaulay Library at the Cornell Lab of Ornithology; "Polar bears need ice to survive": Footage by David O. Brown, courtesy of the Macaulay Library at the Cornell Lab of Ornithology; "An Inuit man sees changes": Footage courtesy of the International Institute of Sustainable Development; "Arctic sea ice is shrinking": Images created using data from the National Snow and Ice Data Center; Illustrations: Polar bear illustrations by Chris Burda