Up close: a diver swims with two white beluga whales under the ice in the white Sea, Russia.

近距离接触：俄罗斯白海的冰下，潜水员和两头白鲸一起游泳。

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Melt along the southern edge of Greenland's ice sheet is now moving up its northwest coast, a new study shows.

一项新的研究表明，格陵兰冰盖南部沿线的冰融如今正蔓延到它的西北海岸线。

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The key here is the availability of liquid water: Despite the fact that Antarctica is home to most of the Earth's fresh water, most of it is locked up in ice.

这里的关键因素是液态水的供应，虽然南极洲拥有地球大部分淡水，但其中大部分以冰的形式被锁起来。

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And one day so I was eating my ice-cream because the archives were closed, and this woman came up, and she was probably about fity, or something like that, and she ordered ice-cream, and so this guy says, "Well, Madame whatever, Madame Dupuis, you remember that day don't you, when the Germans came back?" And she said, "Oh I sure do, they hung my husband from that pole."

有一天我正吃冰激凌呢,因为档案馆关了,有个女人过来,她大概有五十岁,她要了个冰激凌,然后这哥们说,"我也忘了什么夫人了,杜普斯夫人,你还记得那天吧,德国人来的那天",然后她说,"我当然记得,他们把我丈夫吊在那根柱子上"

耶鲁公开课 - 1871年后的法国课程节选

Freeze dates are defined as the observed period when a lake or river was completely ice-covered, and break-up dates as the last ice break-up seen before the summer open-water phase.

BBC: Ice records reveal warming trend

The hosts hit back, though, and enjoyed a spell of mounting pressure late on, with 22-year-old Canadian ice hockey pin-up Crosby narrowing the gap to 4-3 on a power play with four minutes left.

BBC: United States ice hockey team stuns hosts Canada

Temperatures in the Arctic are now even higher than they were then, and a period of renewed ice shelf break-up has ensued since 2002.

BBC: Major ice-shelf loss for Canada