Bring diversity back to agriculture. That's what made it work in the first place.

Perhaps we'll realize that each of us has not one vote but ten thousand or a million.

There are many different kinds of radioactive waste and each has its own half-life so, just to be on the safe side and to simplify matters, I base my calculations on the worst one and that's plutonium.

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.

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

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?