They claim this mother of ours, the Earth, for their own use, and fence their neighbors away from her, and deface her with their buildings and their refuse.

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

The environment is everything that isn't me.

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.

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

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

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

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

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

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