Polar bear population seen declining
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Two-thirds of the world's polar bears will be killed off by 2050 &#151; and the entire population gone from Alaska &#151; because of thinning sea ice from global warming in the Arctic, government scientists forecast Friday.
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A five-week-old polar bear cub, which had to be taken away from its mother over fears it might be eaten, has been named after a public poll.
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The conservation agency World Wildlife Fund, or WWF, has warned that man-made chemicals pose a serious threat to polar bears. The WWF says three new scientific studies show
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OSLO, Norway  - Ideal for an Ice Age, white fur  used as camouflage by animals from polar bears to Arctic foxes  may be going out of fashion because of global warming.
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Fossils suggest a worldwide cold spell millions of years ago caused the extinction of many cold-blooded animals in North America, thanks to a reverse greenhouse effect.
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Krill, the heart of the rich Antarctic food chain that nourishes whales, seals and penguins, have declined by more than 80 percent in the past 25 years in key ocean regions, according to a new study that links the loss to warming temperatures.
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Global warming is heating the Arctic at a rapid pace - with impacts that could range from the disappearance of polar bears&#39; summer habitat by the century&#39;s end to a damaging rise in sea levels worldwide.
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Frost will become less and less common across much of the world as global warming accelerates, U.S. researchers reported on Wednesday.
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Environmental activists, hunters and oil industry representatives spoke at a public hearing Monday night on whether the U.S. government should list polar bears as a threatened species.
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Rising temperatures in the Arctic will likely increase the region&#39;s biodiversity as new species are drawn to the extreme north, but in a dramatic paradox many animals unique to the region, such as polar bears, risk extinction.
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Federal marine mammal experts in Alaska studying the effects of global warming on walrus, polar bears and ice seals warn there are limit to the protections they can provide.
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When bears wake early from hibernation, Australia suffers its worst drought in 100 years and multiple hurricanes hammer Florida should we believe The End is nigh?
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Populations of the hamster-like American pika continue to decline in the West and global warming is partly to blame, a new study says.
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A new contrarian report on polar bears and global warming in the Arctic has been released by the Senate Committee on Environment and Public Works. As you'd expect, it's a selective hodgepodge of science and politics. There are useful summaries and links of research challenging some of the media hype about the Arctic, but some [...].
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the heart of the rich Antarctic food chain that nourishes whales, seals and penguins â-ave declined by more than 80 percent in the past 25 years in key ocean regions, according
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The decline of migratory birds due to an accelerating Arctic thaw may also disrupt the delicate ecosystems of their far-flung winter homes from Africa to South America, experts said on Wednesday.
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Hundreds of millions of livelihoods will be affected by the world's declining ice and snow cover, the UN warns.