Many of us watched the viral video in horror. A starving polar bear scavenging for food on barren land, his ribs visible beneath a jaundiced white coat.“This is what climate change looks like,” said National Geographic.The magazine explained that because of melting sea ice, precipitated by climate change, more of these mammals are starving. They pointed to a new study in Science suggesting that polar bears require much greater caloric intake in their diet than previously believed.The video, shot … [Read more...]