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。

youdao

youdao

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。

youdao

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