去年是北极地区冰层融化创记录的一年，如今北极周围的冰带更薄了。
Last year was a record year for ice melt all over the Arctic and the ice band surrounding the North Pole is even thinner now.
因为冻土带永久冻土融化，这不仅会严重影响生态环境，也会额外释放碳，具有讽刺意味的是，这将加速全球变暖。
As the tundra's permafrost melts, it not only drastically alters the ecosystem but also releases additional carbon, ironically hastening global warming.
变暖的证据遍布俄罗斯，冰川和北冰洋的冰雪面积开始缩减，面积多达三十八万五千平方英里的西伯利亚冻土带正在融化。
Proof of warming is widespread across Russia. Glaciers and Arctic sea ice have dwindled, and as many as 385, 000 square miles of Siberian tundra are thawing.
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