Earth provides enough to satisfy every man's needs， but not every man's greed.
在野外，每一个决定都可能意味着生与死的区别。
最可持续的采伐是让森林比我们发现时更健康。
The world is built on chemistry, and we are just beginning to see how.
我不觉得我需要取悦任何人，除了我自己。