The climate system is extraordinarily complex, and our understanding of it is still evolving.
The rules of art are not arbitrary; they are founded in reason and in the nature of things.
One of the great mistakes is to judge policies and programs by their intentions rather than their results.
生命太短暂,不能活在别人的梦想里。
真相很少是纯粹的,也从不简单。
Sustainability is not an option, it's a responsibility.