Much of the debate over global warming is predicated on fear, rather than science.

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

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

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

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

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

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.

People in Slow Food understand that food is an environmental issue.

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

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