For the inhabitants of Earth's once tropical waters, 过去地球上热带水域的“居民们”
An electricity plant powered by the earth's heat? Geothermal power. 由地热产生能源的发电厂 地热发电
By 2050, a quarter ofthe earth's species... 到2050年 地球上四分之一的物种
We have upset the earth's climatic balance. 我们打乱了地球的气候平衡
In what was one of the earth's greatest reservoirs of biodiversity. 这种结合被打破了
They contain more than all the earth's atmosphere. 它们的含碳量多于地球大气
the earth's population has almost tripled, 人口数量几乎增长3倍
The earth's water cycle is a process of constant renewal. 地球的水循环是一个持续更新的过程