This piece reflects on the potential benefits to farmers through greater cooperation with environmentalists.

This article follows the conservation issues in Portugal, where farmers are being encourage to protect their livestock through use of guard dogs.

The majestic wilderness of Yellowstone National Park is showing changes that some say may indicate the ecosystem is in danger. But surprisingly, scientists think the reintroduction of wolves to the park may be turning things around.

The return of the Yellowstone wolf has elks shaking in their hooves, and that's good news for the national park's young aspen trees.