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

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

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

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

The environment is everything that isn't me.

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

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

Birds are indicators of the environment. If they are in trouble, we know we'll soon be in trouble.

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

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