Are Polar Bears Faring Better Given Endangered Species Protection? Population Numbers Remain Constant, But More Melting Could Spell Trouble

Dear EarthTalk: How have polar bear populations in the Arctic been faring since the U.S. put them on its endangered species list in 2008, and what efforts are underway to protect them? —Melissa Underhill, Bangor, MER                         Biologists estimate that as many as 25,000 polar bears […]