Now, it looks like the continent's ice sheet is growing.

现在, 看起来这片冰正呈现增加趋势。

As Herman Ankleherd, a co-author from Californian Institute of Technology says, " The West Antarctic ice sheet disappeared once and can disappear again."

来自加州理工学院赫尔曼·安科赫尔德，同时也是此书合著者说：“如果南极西部冰曾经消失过一次，那么现在完全可能再次消失。”

It causes the ice to advance and retreat every year.

使得冰面积每年都在扩和缩小。

We are seeing extreme weather events, and the West Antarctic and Greenland ice sheets melting at unprecedented rates, decades ahead of scientific projections.

极端天气频现，南极西部和格陵兰冰正以空前速度融化着，比科学预测提前了几十年。

Ice keels as long as 150 feet extend down from the ice sheets.

冰骨长达150英，从冰延伸下来。

The ice-cap contains almost 70% of the world's fresh water and 90% of its ice, but with very low snowfall, most of the continent technically falls unbelievably into the category of desert!

冰富含世界上几乎70%淡水资源和90%冰雪，但是降雪量非常低。难以置信是，洲多数地区是沙漠地貌！

They were combining radar measurements, satellite information, and snow accumulation data, and they say this allowed them to locate a valley that's hidden underneath the ice sheet.

综合了雷达勘测数据、卫星信息和积雪数据，他们找到了一个隐藏在冰下峡谷。

The island is believed to be rich in resources like gold, diamonds, uranium, oil, lead and iron ore but a lot of that is covered by the territory's ice sheet.

这个岛被认为拥有丰富资源，如黄金，钻石，铀，石油，铅和铁矿石，但其中部分被该地区冰所。

Indeed, sea ice cover in the Arctic is melting faster than expected.

实际上，北极海冰融化速度比预期要快。

Scientists have declared a climate emergency in response to the melting ice caps.

科学家已宣布气候紧急状况，以应对融化冰。

Michalea thinks that changes in human activity can still slow the rate, or speed at which something happens, in this case the speed of Greenland's ice sheet melting.

米凯勒认为人类活动变化还是能够减缓速率，或某事发生速度，在这里指是格林兰岛冰融化速度。

Melting ice caps and rising sea levels.

融化冰导致海平面升高。

That glacier is holding back several other glaciers of the West Antarctic Ice Sheet.

那条冰川阻碍了南极西部冰上其他几个冰川。

" The polar ice caps are going to melt, " she wrote.

“极地冰即将融化，”她写道。

But climate change is melting ice sheets and changing rainfall patterns.

但气候变化正在让冰融化并改变降雨模式。

The ice caps are melting, Leonard. In the future, swimming isn't going to be optional.

冰在融化呀兰纳德。未来游泳是不可避免。

Melting polar ice caps and rising sea levels threaten coastal communities and island nations.

极地冰融化和海平面上升威胁着沿海社区和岛国。

What if I want help with a problem like melting ice caps?

如果我想要帮助解决像冰融化这样问题呢？

What happens in Antarctica has a significant effect on the wider world and its ocean systems and its four-kilometre-thick ice sheet contains a unique record of the Earth's climate over the past million years.

南极洲发生一切对更广阔世界及其海洋系统有着重影响，其 4 公里厚冰包含了过去百万年来地球气候独特记录。

They warned that an increase of even a few degrees could be catastrophic and accurately predicted events such as rapid Arctic warming and the melting of Antarctic ice sheets.

他们警告称，全球气温即便只上升几度也可能是灾难性，并准确预测了北极迅速变暖和南极冰融化等事件。