How Bison Are Saving America's Lost Prairie

Overview

When ranching and agriculture displaced elk and bison from the prairies, America’s grasslands all but disappeared. Now, the Nature Conservancy manages the largest remaining protected tract of tallgrass prairie in the entire world, the Joseph H. Williams Tallgrass Prairie Preserve in northeastern Oklahoma. This prairie is a vital component in nature’s fight against climate change. The key to keeping the prairie healthy? Bison.