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.

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

Keep close to Nature's heart... and break clear away, once in awhile, and climb a mountain or spend a week in the woods. Wash your spirit clean.

Local innovation and initiative can help us better understand how to protect our environment.

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

We don't have to sacrifice a strong economy for a healthy environment.

The environment is everything that isn't me.

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