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.

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

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

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

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

The environment is everything that isn't me.

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

I think the cost of energy will come down when we make this transition to renewable energy.

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.