Polar bears hunt marine mammals from the sea ice, but what will happen when the ice is gone? (Mario Hoppmann/European Geosciences Union via Agence France-Presse)More than any other animal, polar bears have become the poster cub for climate change. And agency after agency has warned that climate change could make polar bears extinct by 2050. But a group of scientists has posited another potential impact of global warming on polar bears, and it’s not nearly so adorable. “But a bear’s still got to eat,” said Geoff York, with Polar Bears International, who is one of the study’s authors and has survived three encounters with aggressive polar bears.

Source: Washington Post July 13, 2017 11:03 UTC