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.

At that time a senator who was on the Joint Committee of Atomic Energy said rather quietly, 'You know, we're having a little problem with waste these days.' I didn't know what he meant then, but I know now.

The more we pour the big machines, the fuel, the pesticides, the herbicides, the fertilizer and chemicals into farming, the more we knock out the mechanism that made it all work in the first place.

Keep your rivers flowing as they will, and you will continue to know the most important of all freedoms-the boundless scope of the human mind to contemplate wonders, and to begin to understand their meaning.

It seems that every time mankind is given a lot of energy, we go out and wreck something with it.

I was actually telling people that - by harnessing the atom - we could enter a new era of unlimited power that would do away with the need to dam our beautiful streams.

Let the mountains talk, let the river run. Once more, and forever.