北极带

随着北极冻土带温度升高，深藏于其下的碳开始移动。

As the Arctic tundra heats up , carbon stored in its depths begins to move .

俄罗斯总理普京用他的双手保护野生动物：为北极熊带上无线电跟踪器，并协助去帮它称重。

Russian Prime Minister Vladimir Putin takes saving wildlife into his own hands , attaching a caller with a radio transmitter to a polar bear , also helping weigh it .

我们将游遍海洋至北极圈，带观众看看这超然品种如何茁壮成长。

From the ocean to the arctic , this amazing film takes an intimate look at how this astonishing species lives and thrives .

同时，南极上空臭氧空洞的出现，北极地区冻土带的北移等都表明全球变化也在明显地影响着两极。

The global change appears to affect the Arctic and Antarctic regions such as the events of ozone hole in the Antarctic atmosphere and north moving of permafrost zone in the Arctic region .

北极的永久冻结带中存在着大量气水包合物，它们位于海底，处于巨大的压力之下。

Clathrates exist in large quantities in Arctic permafrost and , under great pressure , beneath oceans .

在巴尔的摩以及华盛顿一些地区，一股北极寒流将气温带至个位数——4华氏度，打破了巴尔的摩国际机场1873年的最低气温记录。

A blast of arctic air sent temperatures into the single digits in areas around Baltimore and Washington D.C. Hitting just 4 degrees , BWI airport broke a record set in 1873 .