One of nature’s great environmental battles, between two of the fiercest predators on the planet, may be playing out in the arctic, and one of those predators, the polar bear, could be the loser. As sea ice melts, the bears, which rely on the ice for hunting habitats, are moving south. As the climate warms, the grizzly is moving north. They are inevitably going to meet and will compete for survival. According to researchers at UCLA, the polar bears are likely to lose. Or, maybe not. Read more
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