There are many ways to salvation, and one of them is to follow a river.

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.

There are many ways to salvation, and one of them is to follow a river.

If I could go back to a point in history to try to get things to come out differently, I would go back and tell moses to go up the mountain again and get the other tablet. Because the Ten Commandments just tell us what we are supped to do with one another, not a word about our relationship to the earth. Genesis starts with these commands: multiply, replenish the earth, and subdue it. We have multiplied very well, we have replenished our populations very well, we have subdued it all too well, and we don't have any other instruction.

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

Let man heal the hurt places and revere whatever is still miraculously pristine.

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.