Global warming gets ugly

Paul the Spud posts on one of the most distressing stories about environmental problems I've read in awhile.
Those of you that have seen An Inconvenient Truth will probably remember a short animated clip of an exhausted polar bear swimming in a vast ocean, struggling to climb up onto a crumbling bit of ice. It's rather heartbreaking. Polar bears are in particular danger when it comes to global warming; with the bear's habitat vanishing, not only won't they have anywhere to stand, they're also unable to find food.
Which is why they're beginning to eat each other.
"[I]ncidents of polar bears stalking, killing, and eating other polar bears" have never been witnessed by scientists working in their habitat, but "longer seasons without ice keep them from getting to their natural food." Complicating the problem is that polar bears use the same ice for mating and birthing, as well, which will hasten the bears' demise, currently predicted by the end of this century, if we don't make some changes fast.

(The Adventures of the Smart Patrol)

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