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.

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

Dense overgrown forests and rangelands have grown like a cancer. They need to be treated.

Growing up in Denver, I'm sure it started with loving the Colorado mountains.

Why has it seemed that the only way to protect the environment is with heavy-handed government regulation?

I think today we recognize that economic activity needs to search for ways to protect the environment.