Where the effects of global warming are most visible. 那里受全球变暖影响最明显
Our energy requirements are constantly increasing. 我们对能源的需求不断增加
Our oil tankers are getting bigger and bigger. 我们的油轮越来越大
Colossal amounts of energy are needed. 需要大量能源
And in regions that are increasingly difficult to exploit. 和越来越难开♥发♥的地域
The new arrivals are mostly farmers forced off the land... 外来人口中多数是因经济或人口
On the hills of haiti, only two percent of the forests are left. 海地山坡上的树林只剩2%
Monocultures of trees are gaining ground all over the world. 单一树种在全球广泛种植