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.

Apollo 13, as you may remember, gave us a reactor that is bubbling away right now somewhere in the Pacific. It's supposed to be bubbling away on the moon, but it's in the Pacific Ocean instead.

Truth and beauty can still win battles. We need more art, more passion, more wit in defense of the Earth.

Polite conservationists leave no mark save the scars upon the Earth that could have been prevented had they stood their ground.

We may learn anew what compassion and beauty are, and pause to listen to the Earth's music.

I believe that the average guy in the street will give up a great deal, if he really understands the cost of not giving it up. In fact, we may find that, while we're drastically cutting our energy consumption, we're actually raising our standard of living.

Understanding how DNA transmits all it knows about cancer, physics, dreaming and love will keep man searching for some time.