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'm not a vegetarian, but I have cut back sharply on the meat that I eat.

There's an old African proverb that says "If you want to go quickly, go alone. If you want to go far, go together." We have to go far - quickly. And that means we have to quickly find a way to change the world's consciousness about exactly what we're facing, and why we have to work to solve it.

I do believe, as my father once said, that "No matter how hard the loss, defeat might serve as well as victory to shake the soul and let the glory out."

There's no doubt that in the last two to three decades, American democracy has been hacked. It was based on the regular harvesting of the wisdom of crowds, but now big sources of special interest money are able to prevent the passage of almost any meaningful reform that's aimed at the public interest.

I saw the logarithmic growth of computer power.

We are running out of time, we must have a planetary solution to a planetary crisis.