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

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

Take a course in good water and air and in the eternal youth of Nature you may renew your own. Go quietly, alone no harm will befall you.

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

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

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

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

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.