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

Childbearing should be a punishable crime against society, unless the parents hold a government license. All potential parents should be required to use contraceptive chemicals, the government issuing antidotes to citizens chosen for childbearing.

People have alleged that I have inspired many young people over the years, but I say, it was just the opposite.

The wild places are where we began. When they end, so do we.

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.

If something's going wrong with this planet we'd better fix it here and not look for some sort of escape.

I'm always impressed with what young people can do before older people tell them it's impossible