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

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

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

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.

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

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

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

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

By polluting clear water with slime you will never find good drinking water.