I sort of kept my hand in writing and went to work for the Sierra Club in '52, walked the plank there in '69, founded Friends of the Earth and the League of Conservation Voters after that.

The Sierra Club is a very good and a very powerful force for conservation and, as a matter of fact, has grown faster since I left than it was growing while I was there! It must be doing something right.

Politicians are like weather vanes. Our job is to make the wind blow.

Is the minor convenience of allowing the present generation the luxury of doubling its energy consumption every 10 years worth the major hazard of exposing the next 20,000 generations to this lethal waste?

To me, a wilderness is where the flow of wildness is essentially uninterrupted by technology; without wilderness the world is a cage.

Realistic' is a loaded word for me. Anyone who uses the word 'realistic' is all bad.

If you want to get people off drugs, improve reality.