If we had a hydrogen economy worldwide, every nation on earth could create its own energy source to support its economy, and the threat of war over diminishing resources would just evaporate.

If you don't generate tension in the film to begin with... you can't really make a purse out of a sow's ear, you know.

I became a vegetarian in 1958 and it was very difficult in those days to really maintain that because there weren't many options... alternatives. But, now, it's a growing trend because... the economics are there. See, there's simply enough people demanding it that it's profitable to supply vegetarians with those products.

Practically every environmental problem we have can be traced to our addiction to fossil fuels, primarily oil.

Changing mass consciousness is an individual responsibility.

It's fun to be a little bit different in the world, to make a few new trails of your own.

War is usually fought over diminishing resources, particulary those that we perceive to be extremely valuable.