The Arctic sea ice holds a central position in the Earth's climate system and it's deteriorating faster than expected.

北极海冰在地球气候系统中占据中心位置，并且它恶化的速度比预期的更快。

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This past month, there has been a flurry of news, speculation, discussion and debate concerning methane gas escaping from Arctic permafrost and its impact on the global climate system.

就在上个月，关于北极永久冻土层的甲烷气体释出及其对全球气候系统的影响，又出现了一番新闻报道，炒作，讨论和辩论的热潮。

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Information on Arctic Ice research can be found at The International Arctic Climate System Study, a global consortium of polar scientists.

CNN: Selected Web sites on climate change