Human-Driven Global Warming Is Biggest Threat to Polar Bears, Report Says

By Erica Goode JAN. 9, 2017 Federal wildlife officials on Monday called climate change the biggest threat to the survival of the polar bear and warned that without decisive action to combat global warming, the bears would almost certainly disappear from much of the Arctic. … Continue reading Human-Driven Global Warming Is Biggest Threat to Polar Bears, Report Says