It might take 15 years for global temperatures to stabilize, and then another 15 for sea ice to respond, according to research.

“We’ve got a lot of work ahead of us,” Amstrup added. “If we want to take advantage of our chance to save polar bears in many areas of their range, we must act now.”

“The future, if we continue on the path that we’re on, does not appear to be bright for polar bears.”