Dating back to Teddy Roosevelt, hunters have been the pillar of conservation in America, doing more than anyone to conserve wildlife and its habitat.

What's near and dear to my heart is cooperative conservation.

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

Predators make it much more difficult to find consensus. It's a lot easier to agree about birds and plants than about animals that endanger people and livestock.

My schedulers keep getting driven crazy by the fact that they can't fit hikes in my schedule.

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

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.