Without wilderness, the world's a cage.

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.

When people say, 'You're not being realistic,' they're just trying to tag some thoughts that they can't otherwise handle.

All technology should be assumed guilty until proven innocent

We are no longer inheriting the Earth from our parents, we are stealing it from our children.

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

There is more inside you than you dare think.