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

I have a private plane. But I fly commercial when I go to environmental conferences.

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

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

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

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

The only way forward, if we are going to improve the quality of the environment, is to get everybody involved.

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

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

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