And their layers of ice keep a record of climate history.

而且它们的冰层记录了气候的历史。

But research into thousands of years of climate history has shown that fire has always been a part of this landscape.

但对数千年气候历史的研究表明，火灾一直是这片土地的一部分。

But when we look at history, way back in climate history, we know that when nature pushed the climate, sometimes it was smooth and sometimes it was not.

但是当我们回顾历史，追溯到气候历史时，我们知道当自然推动气候时，有时它是平稳的，有时则不是。

Ms. Abram and her team attempted to recreate Antarctica's climate history with ice taken from the continent. They found the wind has kept large parts of the continent cold.

亚伯兰女士和她的团队试图用从南极洲采集的冰来重现南极洲的气候历史。他们发现风使大陆的大部分地区保持寒冷。