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

We learned that economic growth and environmental protection can and should go hand in hand.

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

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

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.

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

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.

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

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