融化的永久冻土向大气中释放甲烷。

The melting permafrost releases methane into the atmosphere.

在永久冻土上建造需要特殊的施工技术。

Building on permafrost requires special construction techniques.

永久冻土可以保存古代生物长达数千年。

Permafrost can preserve ancient organisms for thousands of years.

由于气候变化，北极的永久冻土开始融化。

The permafrost in the Arctic is starting to thaw due to climate change.

在西伯利亚的永久冻土中发现了许多古代化石。

Many ancient fossils have been discovered in the permafrost of Siberia.

科学家研究永久冻土以了解其对全球变暖的影响。

Scientists study permafrost to understand its impact on global warming.

如果永久冻土融化 释出的甲烷。

If the permafrost melts, the methane released...

称为永久冻土带。

It's known as permafrost.

永久冻土变得更加温暖时, 将变成湿地.

As permafrost gets warmer, it could become wetlands.

一个腐烂的永久冻土层将释放出多少甲烷和二氧化碳?

How much methane and carbon dioxide might be released from the rotting permafrost?