The modern technologist is less 'sorcerer' and more 'sorcerer's apprentice'.

Everything is connected to everything else. Everything must go somewhere. Nature knows best. There is no such thing as a free lunch.

I see no reason to have my shirts ironed. It's irrational.

We are in an environmental crisis which threatens the survival of this nation, and of the world as a suitable place of human habitation.

The environmental crisis is a signal of this approaching catastrophe.

If you ask what you are going to do about global warming, the only rational answer is to change the way in which we do transportation, energy production, agriculture and a good deal of manufacturing. The problem originates in human activity in the form of the production of goods.

The favorite statistic is that the U.S. contains 6 to 7% of the world population but consumes more than half the world's resources and is responsible for that fraction of the total environmental pollution. But this statistic hides another vital fact: that not everyone in the U.S. is so affluent.