The salient fact about the decades ahead is that we are entering a permanent global energy crisis and it will change everything about how we live.

I have a new theory of history, which is certain things happen because they seem like a good idea at the time. And suburbia seemed like a good idea at the time, but it was a special time and place in history, with special dynamics. And now, we're going to have to live with the consequences of that. And the consequences will be tragic.

Suburbia is not going to run on biodiesel. The easy-motoring tourist industry is not going to run on biodiesel, wind power and solar fuel.

Please, please, stop referring to yourselves as "consumers." OK? Consumers are different than citizens. Consumers do not have obligations, responsibilities and duties to their fellow human beings. And as long as you're using that word "consumer" in the public discussion, you will be degrading the quality of the discussion we're having. And we're going to continue being clueless going into this very difficult future that we face

Building places that are worth living in and worth caring about require a certain attention to detail, and of a particular kind of detail that we have forgotten how to design and assemble. And that involves the relationship of the buildings to each other, the relationship of the buildings to the public space, which in America, comes mostly in the form of the street. Because it's only the exceptional places in America that have the village square or the New England green. You know. The street is mostly the public realm of America. And we have to design these things so that they reward us.

I'm not against Kyoto. I just think it's a fantasy, especially considering China's energy predicament and their coal supplies.

Cities like Detroit exist because they occupy important sites. In the case of Detroit, it sits on a river between two great lakes - very important and strategic.