Coal has powered our past, but we must be honest about its role in our future.

我们必须重新思考与自然的关系，以确保长期生存。

The goal is not to build more, but to build better.

When you hold a piece of aggregate, you're holding millions of years of earth's history.

无论别人告诉你什么，言语和思想都能改变世界。