关于煤炭的讨论必须超越"支持"或"反对"—我们需要解决方案，而不是口号。

I'm not afraid to take risks. I'm not afraid to fail.

The American dream is powered by American energy.

Writing is a way of being in the world, a way of understanding it and making it understandable to others.

如果我们想为子孙后代提供粮食，可持续农业是唯一的前进方向。

数学让我们看到支配周围世界的隐藏结构。