And what happens is when you start flooding permafrost areas, permafrost starts to deteriorate.

“永区被水淹没后会开始解。

So is there a way to save the permafrost?

那有办法拯救永吗？

The researchers also searched the permafrost for new clues to the age of the fossils.

研究人员还在永层中寻找石年代的新线索。

In turn, the rising temperature causes more permafrost to thaw, releasing more methane.

反过来，气温上升导致更多的永，而释放出更多的甲烷。

Methane gas somehow accumulates in the permafrost of Siberia.

甲烷气体以某种方式积聚在西伯利亚的永层中。

The researchers dug up permafrost and brought it back to Copenhagen to search for DNA.

研究人员挖出了永，并将其带回哥本哈根寻找DNA。

That is because the mountain is covered with permafrost.

这是因为那座山被永所覆盖。

The layer of permafrost beneath prevents water draining away.

下面的永层阻止了水的流失。

The researchers ruled out the possibility that the DNA came from younger species that contaminated the older permafrost.

研究人员排除了这些DNA来自较年轻的物种，而这些物种污染了较古老的永的可能性。

Arctic residents and scientists have been observing permafrost thaw now for decades.

北极地区的居民和科学家们已经观测了数十年的永。

We only found out about the permafrost When it was too late.

等我们发现永层时 却为时已晚。

Cases are now being reported of buildings collapsing as the permafrost melts.

有报道称，目前随着的，已出现了建筑物倒塌的情况。

Management of forests, transportation, the oceans, the melting of the permafrost.

与森林，交通，海洋，和永层的都有关系。

You see, the permafrost is one of the world's largest carbon reservoirs.

永是世界上最大的碳储存库之一。

Buried in Siberian permafrost, not growing or dividing, they're not in suspended animation.

埋在西伯利亚永中，不生长或分裂，它们不是假死。

Ten percent still is-and a further 14 percent is in a state of permafrost.

即便是现在，依然有10%的陆地覆盖着冰雪。更有14%的地区是永带。

And this leads to a preservation of around 80 percent of the original-today's permafrost area.

这可以保存目前80%的原始永区。

Now normally the permafrost would prevent the growth of plants because they cannot establish roots.

通常来说，层会阻止植物生长，因为它们无法生根。

Such anxiety looks premature: house-price rises represent a thawing in the property permafrost rather than a market on fire.

房价攀升仅表示冰的房地产市场正逐步回暖，而非过热。

A recent oil spill near the Arctic city of Norilsk was partly blamed on melting permafrost.

最近在北极城市诺里尔斯克附近发生的石油泄漏，部分原因是永。