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

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

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.

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

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

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

I did not become a vegetarian for my health, I did it for the health of the chickens.

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.