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

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.

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

Human beings are going to be relying on natural resources for a long time.

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.

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