The books that we reread the most are the ones that most clearly describe the world we already know.

When you invest in soil health, you're investing in the health of future generations.

The challenges of today's coal industry require bold leadership and vision.

太阳，尽管有所有围绕它并依赖它的行星，仍然可以像宇宙中没有其他事情可做一样，使一串葡萄成熟。