polar bears

The Oil Industry Threatens Alaskan Polar Bears in Their Dens

The Oil Industry Threatens Alaskan Polar Bears in Their Dens

Pregnant polar bears enter dens when they give birth for up to eight months. The process makes bear mums super vulnerable — they fast, surviving off the fat on their bodies, and can lose up to 43% of their body weight. And in that environment, the mums must care for…