Under communism, prices were not allowed to reflect economic reality. Under capitalism, prices don't reflect ecological reality. In the long run, the capitalist flaw -- if uncorrected -- may prove to be the more catastrophic.

We got everyone's attention, but we didn't solve any environmental problems.

When civilization stands at the edge of a cliff, a step forward doesn't make much sense.

he economy favors throughput over quality and craftsmanship, and economists are terrified because the American savings rate has crept upward from about zero to almost five percent. But the mortgage crisis and the burgeoning credit card crisis are causing Americans to become wary of irresponsible debt.

There was almost a universal acceptance of unhealthy conditions. Sulfur dioxide in smokestack emissions were the price, or smell, of prosperity.

I suppose I'd characterize myself as having a faith-based optimism. My faith is parental and Darwinian.

We shouldn't fuel the future with the polluting methods of the past, ... We have the technology to power our future in ways that don't threaten our health or poison our planet. Let's choose to use it.