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

“永久冻土区被水淹没后会开始解冻。

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久冻土层中。

That is because the mountain is covered with permafrost.

这是因为那座山被永久冻土所覆盖。

The layer of permafrost beneath prevents water draining away.

下面的永冻土层阻止了水的流失。

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

有报道称，目冻土的融化，已出现了建筑物倒塌的情况。

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

与林，交通，海洋，和永久冻土层的融化都有关系。

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

们发现永久冻土层时 却为时已晚。

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

埋在西伯利亚永久冻土中，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%的陆地覆盖冰雪。更有14%的地区是永久冻土带。

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

这可以保存目80%的原始永久冻土区。

As temperatures rose, the Arctic permafrost would melt and release more carbon dioxide into the atmosphere.

气温的逐渐上升，北极的永冻层也将会融化，并向大气中释放出更多二氧化碳。

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

通常来说，冻土层会阻止植物生长，因为它们无法生根。

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，部分原因是永冻土融化。

Under the right conditions, however, such as the extreme cold of Arctic permafrost, this decay can be slowed.

然而，在适当的条件下，比如极寒的北极永久冻土层，分解的速度可以减缓。

In Alaska, retreating glaciers, receding summer ice levels and thawing permafrost will cause damage to infrastructure and ecosystems.

而在阿拉斯加, 冰川, 夏季海平面的退缩及永久冻土融化会破坏基础设施和生态系统。

In some areas, homes and roads are built on permafrost, ground that has been frozen for thousands of years.

在一些地区，房屋和道路都是建立在冻结了数千年的冻土上面的。

Increasing impacts on land are projected in the future as a result of water scarcity, wildfire and permafrost destroying.

由于缺水、山林大火和永冻土的破坏，预计未来对土地的影响会越来越大。

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

房价攀升仅表示冰冻的房地产市场正逐步回暖，而非过热。

During this time of plenty, the foxes will bury any extra food, digging right down to the permafrost layer beneath.

在这食物充沛的时期，狐狸会将多余的食物埋藏起来，它们一直挖到地下的永久冻土层。

But since the shrubs roots don't grow very deep anyways, the permafrost doesn't impact their growth at all.

但是由于灌木丛的根长得并不深，所以冻土层根本不会影响它们的生长。