How long polar bears can survive depends on how long they can last without food. And that may be: not long enough.
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Tag: Polar
Rewilding the Arctic can slow the climate crisis
It would be a monumental task to start rewilding the Arctic, but the climate payoff could be mammoth.
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Russia moves to exploit Arctic riches
As the polar sea ice vanishes faster, Russia unveils plans to exploit Arctic riches: fossil fuel deposits, minerals and new shipping routes.
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Penguins in peril as winds change and heat rises
New weather patterns in the warming Antarctic are leaving thousands of penguins in peril, prompting calls for them to be specially protected.
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Arctic sea ice loss affects the jet stream
The jet stream affects northern hemisphere climates. And global warming affects the behaviour of the jet stream. Prepare for yet more extremes of seasonal weather.
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Arctic leaks of laughing gas may add to heat
Laughing gas from the thawing Alaskan permafrost is no laughing matter. Nitrous oxide is one of the most potent greenhouse gases.
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Fast Arctic melt could cost $70 trillion
Polar change, notably the fast Arctic melt, could impose huge costs on world economies. New evidence shows how rapidly the frozen north is changing.
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Melting polar ice sheets will alter weather
Sea level rise and melting polar ice sheets may not cause a climate catastrophe, but they will certainly change weather patterns unpredictably.
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High Arctic plant spurts raise climate concerns
Plants are getting taller in the Arctic high latitudes as warmer, moister soil prompts growth that could increase the release of greenhouse gases.
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Read moreUnderwater walls might avert sea level rise
10 October, 2018 – Could a vast underwater wall in front of an unstable glacier prevent dangerous sea level rise? Or should everyone just move further inland?
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