The future for polar bears and other arctic marine mammals

A polar bear mother watches carefully with her cubs along her side as their picture is taken, March 6, 2007. (Photo credit: USFWS)Polar bears need sea ice to survive. Scientist Steven Amstrup has devoted his career to polar bear research and is definitive in calling for global action in reducing greenhouse gas emissions such as those outlined in the Paris climate accord. The U.S. is no longer party to the agreement. So now what?
HOST: Lori Townsend
GUESTS:
Steven Amstrup, chief scientist, P