Earlier this year, President Bush appointed 66-year-old Sam Bodman to serve as Secretary of Energy, a guy who for more than a decade ran a Texas-based chemical company that spent years on the top-five lists of the country's worst polluters.

It's not just a few clouds of smoke emanating from an oil refinery or a power plant that got Bodman's old company, Boston-based Cabot Corporation, those accolades. It was the 54,000...