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.
Watch the official How Wolves Change Rivers 2014 trailer in HD below or find more How Wolves Change Rivers videos on Vidimovie.
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George Monbiot as Narrator
George Monbiot Director
Canada 21 March 2014
These some of the most viewed trailers for movies released in 2014:
10 October 2014
Mauro, Noel and Broco have been an inseparable group of friends since grade school. All grown up, their lives are not what they hoped they would be.
14 October 2014
Tonatiuh and Maria experience a passionate and turbulent relationship. One night, in the heat of an argument, they suffer a dramatic automobile accident.
25 September 2014
Jô is kicked out of home by his father on his birthday. Having no place to go, he takes refuge in the terrace of Rose, who just lost her husband.
01 March 2014
'Testudon', one of the most famous foolish film festivals, made a foolish anthology film about 'Japan' with 26 directors.
23 September 2014
A haunted investigator teams up with a psychic on a mysterious job that promises a fortune: a search to bring a missing stranger home by Christmas.
01 August 2014
Crisanto Espina, a cop on suspension and under investigation, is tasked to eliminate the suspects involved in a bank robbery/massacre that shocked the whole nation.
30 October 2014
William stands at the window telling Abigail his story of walking down 'the witches' path. The unseen spectral Abigail taunts William suggesting that he walked down the path hoping to see her.
15 July 2014
One morning in August, André is thrown out by his girlfriend with for only luggage his immense cannabis plant.
05 August 2014
The story of Bobby and Sonny Osborne, better known as The Osborne Brothers, one of the most successful bluegrass groups of all time.
16 April 2014
For Peter Parker, life is busy. Between taking out the bad guys as Spider-Man and spending time with the person he loves, Gwen Stacy, high school graduation cannot come quickly enough.
05 November 2014
The adventures of a group of explorers who make use of a newly discovered wormhole to surpass the limitations on human space travel and conquer the vast distances involved in an interstellar voyage.
15 March 2014
The amazing and inspiring journey of Mexican guitarists ‘Rodrigo y Gabriela’ who at a very young age decided to do only what they loved the most: music.
Have you watched How Wolves Change Rivers yet? What did you think about it?
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