Yet another proposal would have us rocket the waste into the sun, but, as you're probably aware, about one in ten of our space shots doesn't quite make it out of the earth's gravitational field.

We must begin thinking like a river if we are to leave a legacy of beauty and life for future generations.

I began working with the John Muir Institute and then started helping found Friends of the Earth organizations here and there in other countries. That pretty well brings us up to the present.

Yet another proposal would have us rocket the waste into the sun, but, as you're probably aware, about one in ten of our space shots doesn't quite make it out of the earth's gravitational field.

While the death of young men in war is unfortunate, it is no more serious than the touching of mountains and wilderness areas by humankind.

Once we open the door to the plutonium economy, we expose ourselves to absolutely terrible, horrifying risks from these people.

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.