While our rise contributed to the global extinction of large land animals, 尽管我们的崛起导致 大型陆地动物在全球灭绝
...and average global temperatures fluctuated by less than one degree Celsius, 全球平均气温波动不到1摄氏度
and global temperatures began to rise. 全球温度开始上升
The formation of Antarctica was creating global climate chaos. 南极洲的形成正在造成全球气候混乱
that helped drive a global cooling. 这有助于推动全球变冷
global temperatures plunged by a staggering 25 degrees. 全球气温骤降25度
Sustained volcanic eruptions caused another period of global warming. 持续的火山喷发引起又一轮全球变暖