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

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

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

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

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

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

I think the cost of energy will come down when we make this transition to renewable energy.

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

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

The environment is everything that isn't me.