"Polar bears rely on sea ice to get their primary meal: seals. But as climate change melts this ice, the bears have to work harder to find prey, and that’s taking a toll on their health."
Science, Feb. 1, 2018
"Polar bears rely on sea ice to get their primary meal: seals. But as climate change melts this ice, the bears have to work harder to find prey, and that’s taking a toll on their health."
Science, Feb. 1, 2018