Gila National Forest

For most of his 16 years with the U.S. Forest Service, Dave Warnack spent them boots-on-the-ground. That’s to say that he does not just talk the talk. “Wilderness will be the ultimate index by which I measure my status, progress and overall place in the world,” Warnack says in the film “ Wilderness...

Over his 40-year career as a forester, scientist, teacher, and writer, Aldo Leopold brought a greater understanding of our relationship with the natural world at a time when the technological advances of the 20 th century increasingly shut people off from their surroundings.