Sustainability is not a cost - it's the biggest innovation opportunity of our lifetime.
大多数人死在二十或三十岁,此后他们只是自己的影子。
投资更清洁的煤炭技术就是投资我们的未来。
Education is the foundation upon which sustainable forestry is built.
Theorems are not discovered by accident.
当你相信自己时,成功就会到来。