These experts are especially concerned that new patterns of air movement in the Arctic could disrupt the Northern Hemisphere's jet streams - which are apparently weakening and moving northward.

这些专家尤其关注北极的空气流动的新模式可能会扰乱北半球的急流——很明显的是，这种气流正在削弱并向北方移动。

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While respiration tracked withtemperature in temperate and tropical regions, there was a negativecorrelation in the Arctic, where sensitivity to warming is thought tobe especially pronounced.

尽管在温带或热带跟踪到呼吸与气温变化有关，但在据认为对升温特别敏感的北极，其关系呈现出负相关。

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While respiration tracked with temperature in temperate and tropical regions, there was a negative correlation in the Arctic, where sensitivity to warming is thought to be especially pronounced.

尽管在温带或热带跟踪到呼吸与气温变化有关，但在据认为对升温特别敏感的北极，其关系呈现出负相关。

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While the existence of frozen natural gas deposits -- especially in the Arctic region -- has been known for years, the USGS study is the first estimate of recoverable natural gas hydrates with current technology.

CNN: Study: Tap natural gas from Alaska's frozen areas

According to a recent report by the United Nations Environment Programme, reducing black carbon and ozone in the lower part of the atmosphere, especially in the Arctic countries of America, Canada, Russia and Scandinavia, could cut warming in the Arctic by two-thirds over the next three decades.

ECONOMIST: Climate change in the Arctic

Populations are booming, especially in the Canadian arctic.

FORBES: Drowning Polar Bears And the Return Of Ursus Bogus