In association with hhdlstudycirclemontreal.org
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Video of the Week
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Mar 19, 2026 |
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How Wolves Change Rivers
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| "When we try to pick out anything by itself, we find it hitched to everything else in the Universe." – John Muir. When wolves were reintroduced to Yellowstone National Park in the United States after being absent for nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers? British environmental journalist George Monbiot explains in this video remix by Sustainable Man. |
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