We won't have a society if we destroy the environment.

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

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

I did not become a vegetarian for my health, I did it for the health of the chickens.

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

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

I firmly believe that we can have a healthy environment and a sustainable timber industry.

Our world faces a true planetary emergency. I know the phrase sounds shrill, and I know it's a challenge to the moral imagination.

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

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