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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.

Be The Change

"How Wolves Change Rivers" is excerpted from George Monbiot's TED talk - watch Re-Wilding the Planet.

Learn more about George Monbiot. And for those budding journalists among you, check out his career advice.

Take a moment to think deeply about how your actions impact ecosystems all over the world in a wide variety of ways. Can you begin a cascade of positive effects by changing some of your actions?

Reflections (77)

Rose

We are very foolish if we think that we know better than Nature how things should be. I fwe ken't even get it right about wolves, how can we trust AI and other high-tech solutions to environmental problems? Only by studying Mother Nature will we ever find the right direction!

Bidyut

Fascinating. It took some time for me to absorb this. For George Monibot to connect the dots and arrive at this conclusion must have needed so much work & analysis. But the insight is just amazing

Hunter brewer

We didn't have youtube this was the next best thing

Wendy

Every living being on this earth has a purpose and all are valuable. It's God's plan.

Jabriel

Wolves impact the environment by hunting and moving in a pack.

Heavenlee

wolves changed the way of the rivers, they killed many other animals. they also stay in smaller packs.

Mezmariz Kennedy

Wolves impact their environment by hunting and living in packs.

Chance Karpinecz

wolves can change everything because they were keeping the deer away

ladarrius

he wolves have reshaped the park. wolves kill deer, diminishing their population, but wolves also change the deer's behavior. When threatened by wolves, deer don't graze as much and move around more, aerating the soil.

jayln

wolves kill many animals but they saved animals to.

onijah

What inspired you about this video?wolfs have a impact on their environment by moving in packs and being prey.

onig

wolfs impacts their environment by hunting and moving in a pack.

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How Wolves Change Rivers

Reflections (77)

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