How Wolves Change Rivers

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 in this movie remix.  Thanks to Jesslin of Oakville, Ontario for the suggestion.   Continue reading

Attenborough’s Blind Baby Rhino – Kenya Expedition – Earth Unplugged

Nicki is a blind black rhino living in Lewa Conservancy in Kenya. In the landmark series Africa, Sir David Attenborough met little Nicki and they shared a nuzzle together. Four years on, Nicki is no longer the little rhino! We revisited Nicki to find out how he’s getting on. Continue reading