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

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

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

Not all is doom and gloom. We are beginning to understand the natural world and are gaining a reverence for life - all life.

It seems that every time mankind is given a lot of energy, we go out and wreck something with it.

The environment is everything that isn't me.

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

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

No one should be able to enter a wilderness by mechanical means.

People blame their environment. There is only one person to blame - and only one - themselves.