I have a private plane. But I fly commercial when I go to environmental conferences.

When we try to pick out anything by itself, we find it hitched to everything else in the universe.

If we do not permit the earth to produce beauty and joy, it will in the end not produce food, either.

Harmony with land is like harmony with a friend you cannot cherish his right hand and chop off his left.

Never doubt that a small group of thoughtful, committed citizens can change the world indeed, it's the only thing that ever has.

You may be able to fool the voters, but not the atmosphere.

I can find God in nature, in animals, in birds and the environment.

Much of the debate over global warming is predicated on fear, rather than science.

When we realize we can make a buck cleaning up the environment, it will be done!

Unless we keep this planet healthy, everything else is for naught.