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

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.

When we try to pick out anything by itself, we find it hitched to everything else in the universe.

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

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

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

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.

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

Much of the debate over global warming is predicated on fear, rather than science.