The overall thawing of Arctic climates, as well as increasing sea level rise, have these islands retreating more rapidly than elsewhere in the world.
北极地区气候的整体解冻变暖以及海平面逐渐上升，使得这些岛屿比起地球上其他任何地球都消逝更快。
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.
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。
Other positive climate feedbacks that operate in the Arctic include the thawing of permafrost and vegetation changes.
在北极发生的其它气候正反馈还包括永久冻土融化和植被变化。
OSLO (Reuters) - Thawing permafrost can release nitrous oxide, also known as laughing gas, a contributor to climate change that has been largely overlooked in the Arctic, a study showed on Sunday.
周日发表的一项研究显示北极永冻土壤解冻可以释放出氧化亚氮，俗称笑气。 这种温室气体对气候变化的贡献一般为世人所忽视。
There's nothing funny about global warming. But one side effect of thawing permafrost in the Arctic Circle has been higher levels of nitrous oxide being released to the atmosphere.
关于全球变暖没有什么有趣的可说了，但是北极圈的冻土层融化向大气释放更高含量的氧化亚氮气体是其中之一的副作用。
There's nothing funny about global warming. But one side effect of thawing permafrost in the Arctic Circle has been higher levels of nitrous oxide being released to the atmosphere.
关于全球变暖没有什么有趣的可说了，但是北极圈的冻土层融化向大气释放更高含量的氧化亚氮气体是其中之一的副作用。
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