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.

No action is without its side effects.

If environmentalism is a fad, it will be the last one.

My entry into the environmental arena was through the issue that so dramatically - and destructively - demonstrates the link between science and social action: nuclear weapons.

Nothing can survive on the planet unless it is a cooperative part of larger global life.

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

The environmental crisis is a signal of this approaching catastrophe.