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

The only way forward, if we are going to improve the quality of the environment, is to get everybody involved.

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

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.

You may be able to fool the voters, but not the atmosphere.

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

No one should be able to enter a wilderness by mechanical means.

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

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