How Wolves Change Rivers (2014)
Overview
When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers? George Monbiot explains.
Cast
Recommendations
The Class of ‘92
Above Majestic
Night Will Fall
Memories of a Murderer: The Nilsen Tapes
Naqoyqatsi
Spider-Man: All Roads Lead to No Way Home
One Direction: This Is Us
Drew: The Man Behind the Poster
McQueen
42 Up
Evil Influencer: The Jodi Hildebrandt Story
Harmontown
Lionel Messi: Destiny
My Mom Jayne
The Mole: Undercover in North Korea
Capital in the Twenty-First Century
Orgasm Inc: The Story of OneTaste
Bikram: Yogi, Guru, Predator
Avatar: The Deep Dive - A Special Edition of 20/20
Sherman's March