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.

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

Not all is doom and gloom. We are beginning to understand the natural world and are gaining a reverence for life - all life.

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

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

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

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

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

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

Local innovation and initiative can help us better understand how to protect our environment.