I spend a year at the Hoover Institute at Stanford, researching market approaches to air pollution control.

We do have serious energy needs for the country, we are aware that natural gas is especially in demand because of its air quality benefits: 90 percent of new power plants have been natural gas-powered.

I was a little too young to be a hippie.

Local innovation and initiative can help us better understand how to protect our environment.

I think the greatest challenge in environmentalism and the most rewarding challenge is trying to figure out how humans can meet their needs while protecting the environment.

We also know that China and India, as their economies ramp up, are using more and more energy.

I spend a year at the Hoover Institute at Stanford, researching market approaches to air pollution control.