A draws on the expertise of 15 researchers from different disciplines to predict what a warming world will mean for the Earth's polar regions.
The Earth has already seen 0.8 C of warming since the late 19th century. The Arctic, in contrast, has seen more than double that, experiencing 2-3 C warming within the same time-frame. In the last decade alone, the northern pole warmed 0.75 C.
As the authors of the paper point out, the environmental consequences of Arctic warming are"unlikely to be limited to the northern high latitudes." For one, countries closer to the equator can expect to see more instances of extreme weather at least partially driven by changes to the jet streams. "As sea ice has declined, polar bears have been forced ashore for longer and longer periods," Steven Amstrup, chief scientist at Polar Bears International, told."In western Hudson Bay they are now on land for nearly a month longer than 30 years ago. There is a limit to how long they can fast. Therefore, less access to sea ice ultimately means fewer polar bears."
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