The world needs reliable energy, and coal still plays a critical role in providing it.

The true cost of coal isn't just in its price, but in how we manage its consequences.

欲望是人的本质。

农民是最早的环保主义者，我们只需要给他们合适的工具。

最深刻的发现往往来自最简单的问题。

创作艺术的过程和最终结果一样重要。