1·Another problematic method is to reconstruct former climates on the basis of pollen profiles.
另一种有问题的方法是根据花粉谱重建以前的气候。
2·In adapting to extreme climates, like Maine in the winter time, animals can evolve in pretty interesting ways.
在适应极端气候的过程中，比如缅因州的冬天，动物可以以各种非常有趣的方式进化。
3·Often they chose—and still are choosing—somewhat colder climates such as Oregon, Idaho and Alaska in order to escape smog, crime and other plagues of urbanization in the Golden State.
他们常常选择——现在依然这样选择——居住在那些气候较为寒冷的地区，比如俄勒冈、爱达荷，还有阿拉斯加，为的是逃避烟雾、犯罪，以及加利福尼亚州城市化进程中的其他问题。
4·Eventually, Agassiz and others convinced geologists and the general public that a great continental glaciation had extended the polar ice caps far into regions that now enjoy temperate climates.
最后，阿加西和其他人说服了地质学家和普通大众，一个巨大的大陆冰川作用已经把极地冰帽延伸到了现在享受温带气候的地区。
5·Over a period of about 100,000 years, while the seas pulled back, climates around the world became dramatically more extreme: warmer days, cooler nights; hotter summers, colder winters.
在大约10万年的时间里，当海水退去，世界各地的气候变得更加极端：白天更暖和，夜晚更凉爽；夏天更热，冬天更冷。