endangered polar bears
Due to centuries of hunting practices and the destabilization of arctic habitats, there have been growing concerns about the future survival of polar bears. While hunting has long been an issue, global warming has done a number on polar bears' habitats in recent years, dramatically shrinking the polar bear population worldwide. In fact, the World Wildlife Fund (WWF) estimates that there are only 22,000 to 31,000 polar bears left in the world. Polar bears rely heavily on sea ice for traveling, hunting, resting, mating and, in some areas, maternal dens. But because of ongoing and potential loss...