Around a thousand years ago, one group emerged that was uniquely well adapted to cope with the Arctic environment.

大约一千年前，一个对北极环境有独特适应力的群体出现了。

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In this frigid2 Arctic environment, approximately 85 percent of the island's surface is covered by a permanent ice cap.

在严寒的北极环境中，格陵兰岛约85%的表面都被永久冰层所覆盖。

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The wide distribution of this fox in the severe arctic environment is due to its excellent adaptation to cold and to a wide variety of foods.

由于北极狐对寒冷有极好的适应力，并且该地区存在着多种食物来源，因而它们能够广泛地分布在环境严峻的北极地区。

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He says changes to the ice cover also affect Arctic wildlife and people who depend on the local environment.

VOA: special.2009.05.05

Yet there are fears that reckless exploitation of Greenland's minerals could endanger the pristine Arctic environment.

BBC: Greenland rare earths: No special favours for EU

It is not only people living in the Arctic that will be impacted by the profound changes in the Arctic environment.

UNESCO: Global Change in the Arctic and Co-production of Knowledge

The team, which included colleagues from Aarhus University's Department of Arctic Environment, also found shape differences between the skulls from the different periods.

BBC: 'Stress' is shrinking polar bears