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

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.

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

In Washington, there's always an effort to label people.

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.