Four of four podcasts with Estella Leopold, the last remaining offspring of American conservation icon, philosopher and writer Aldo Leopold, who’s considered by many to be the father of wildlife ecology and the United States wilderness system.

Four of four podcasts with Estella Leopold, the last remaining offspring of American conservation icon, philosopher and writer Aldo Leopold, who’s considered by many to be the father of wildlife ecology and the United States wilderness system.

Third of four podcasts with Estella Leopold, the last remaining offspring of American conservation icon, philosopher and writer Aldo Leopold, who’s considered by many to be the father of wildlife ecology and the United States wilderness system.

Third of four podcasts with Estella Leopold, the last remaining offspring of American conservation icon, philosopher and writer Aldo Leopold, who’s considered by many to be the father of wildlife ecology and the United States wilderness system.

Second of four podcasts with Estella Leopold, the last remaining offspring of American conservation icon, philosopher and writer Aldo Leopold, who’s considered by many to be the father of wildlife ecology and the United States wilderness system.

Second of four podcasts with Estella Leopold, the last remaining offspring of American conservation icon, philosopher and writer Aldo Leopold, who’s considered by many to be the father of wildlife ecology and the United States wilderness system.

First of four podcasts with Estella Leopold, the last remaining offspring of American conservation icon, philosopher and writer Aldo Leopold, who’s considered by many to be the father of wildlife ecology and the United States wilderness system.

First of four podcasts with Estella Leopold, the last remaining offspring of American conservation icon, philosopher and writer Aldo Leopold, who’s considered by many to be the father of wildlife ecology and the United States wilderness system.

Bob Jackson worked as a backcountry ranger for Yellowstone Park for 30 years, where he became known as “Action Jackson” for his work that led to a record number of convictions of poachers in the park’s remote southern area known as the Thorofare.

Bob Jackson worked as a backcountry ranger for Yellowstone Park for 30 years, where he became known as “Action Jackson” for his work that led to a record number of convictions of poachers in the park’s remote southern area known as the Thorofare.