credit: U.S. Fish and Wildlife Service
Polar bears' preferred habitat is the pack ice of the Arctic Ocean. As this ice grows thinner with global warming, it breaks up ever earlier during the summer months, shortening the bears' vital hunting season. |
| credit: U.S. Fish and Wildlife Service
Polar bears' preferred habitat is the pack ice of the Arctic Ocean. As this ice grows thinner with global warming, it breaks up ever earlier during the summer months, shortening the bears' vital hunting season. |