Earth Day 1970. Photo by Bill Ingraham.
In this installment of the occasional series, we hear from Cristina Eisenberg, author of The Carnivore Way.
Photo by Richard Lee, used under...
Cooper's Hawk. Photo by Tom Talbott, used under...
Wolves in Yellowstone.
This bear is excited to learn about landscape architecture this weekend from its den outside the Colorado Convention Center.
The recovery of black-footed ferrets is one of the success stories of conservation biology.
Carnivore Way, Alaska. Image by Alisa Acosta, used with permission. Click to enlarge.