Up Next
Back to Show
Overview
How Bison are Saving America's Lost Prairie
Season 1
Episode 7
The prairie landscape has come to symbolize the American heartland. But an ecosystem that once covered a vast swath of the continent has all but disappeared. Just a tiny fraction remains. But researchers and conservationists in Oklahoma may have hit upon two surprising keys to saving this lost ecosystem: bison and fire. Their efforts could help restore degraded grasslands around the world.
Support Provided By
Season
12:24
Can new scientific research help unravel the mystery of Cahokia's disappearance?
16:32
What happened to the once lush, now desert-like Colorado River Delta?
9:31
How is this groundbreaking experiment in Ecuador helping deforested rainforests recover?
10:06
Sea otters play a vital role in maintaining the balance of sensitive kelp forests.
10:14
Exploring LIDAR: Tech using lasers to reveal the deep history beneath our world’s surface.
13:02
Joe visits the world’s largest crane, an engineering feat helping to fight climate change.
9:46
These secret islands of the Everglades might be the key to saving it.
9:46
Could beavers be the ally we’ve been waiting for when it comes to saving the environment?!
7:23
The Bonneville Salt Flats took millions of years to form. We altered it in a century.
9:07
In Chicago a new resident has upended our thinking about cities and the natural world.
11:15
Why do dunes sing? Head into the mysterious world of sand with host Joe Hanson!
8:35
Mt. St. Helens Volcano is the site of the world’s newest glacier, one of the few growing.