I believe that the purpose of life is to glorify God.

The global environment crisis is, as we say in Tennessee, real as rain, and I cannot stand the thought of leaving my children with a degraded earth and a diminished future.

I had a detailed plan for my life, but it turned out life had a completely different plan for me. And I feel joy that I have work that feels like it justifies pouring everything I have into it. I never have fallen prey to the illusion that there's any job with as much ability to influence the future as that of President of the United States, but I do feel grateful that I found other ways to do work that serves the public interest.

There are skeptics who do not come to their view because they have a source of income from carbon polluters.

What changed in the United States with Hurricane Katrina was a feeling that we have entered a period of consequences.

The global warming deniers persist in this air of unreality. After all, the entire north polar icecap, which has been there for most of the last 3 million years, is disappearing before our eyes. Forty percent is already gone. The rest is expected to go completely within the next decade. What do they think is causing this?

You know there's an old african proverb that i made up: "If you want to go quickly, go alone. If you want to go far, go together."