Permafrost warms up , and infrastructure built on it founders .

永久冻土温度上升，在此基础上修建基础设施。

Either way the permafrost becomes a source of greenhouse gas .

经过这两种过程，永久冻土都会变成温室气体。

Their growth will likely counterbalance some of the increased emissions from melting permafrost .

植物的生长或许可以在某些程度上平衡由于永久冻土融化而不断增加的碳排放。

In alaska , entire towns have begun to shift in the loosening permafrost .

在美国阿拉斯加，由于永久冻土的逐渐松动，很多小镇不得不整体搬迁。

One of the best available guides to this risk is a survey of 41 permafrost scientists published in nature last year .

去年41名永久冻土科学家在《自然》杂志上发表了一份调查，它给我们提供了很好的说明。