来自《家园 第0集》
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The clock of climate change is ticking在这片壮丽的土地上 -
in these magnificent landscapes.气候变化的时钟滴答作响 -
Here in Siberia and elsewhere across the globe,在西伯利亚 和一些其他的地方 -
It is so cold that the ground is constantly frozen.由于天气寒冷形成了冻土层 -
It's known as permafrost.这些都是永久冻土层 -
Under its surface lies a climatic time bomb：Methane,其表面下埋藏着一种气候定时炸弹 甲烷 -
A greenhouse gas 20 times more powerful than carbon dioxide.一种比二氧化碳厉害20倍的温室气体 -
If the permafrost melts, the methane released...如果永冻土融化 释放出甲烷 -
Would cause the greenhouse effect to race out of control,温室效应将会到达失控的地步 -
With consequences no one can predict.其结果无人能预知 -
We would literally be in unknown territory.不夸张地说 我们会处在一个未知领域 -
Humanity has no more than 10 years to reverse the trend...人类只有不到10年的时间去扭转形势