Take a course in good water and air and in the eternal youth of Nature you may renew your own. Go quietly, alone no harm will befall you.

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

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

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

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

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

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

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

We learned that economic growth and environmental protection can and should go hand in hand.

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