What is the tragedy of the commons? – Nicholas Amendolare – TED Ed

Is it possible that overfishing, super germs, and global warming are all caused by the same thing? In 1968, a man named Garrett Hardin sat down to write an essay about overpopulation. Within it, he discovered a pattern of human behavior that explains some of history’s biggest problems. Nicholas Amendolare describes the tragedy of the commons.

Lesson by Nicholas Amendolare, directed by TED-Ed.

Will You Still Eat Raw Fish After Watching This Video?

Have you ever noticed that warning about raw or undercooked seafood at the bottom of restaurant menus? Ever wondered why it’s there? Because fish carry a ton of parasites, and if they aren’t prepared correctly then those parasites can make it into your body. But it turns out, this fishy intersection with the wild world of parasites can teach us a lot about how these moochers help keep ecosystems healthy, and why we should protect them. Continue reading

Too expensive to save? Why the best way to protect endangered species could mean letting some go

The provocative new approach aims to protect more animals by prioritizing those that offer the best return on investment, but it could mean saying goodbye to some well-known species

Source: Too expensive to save? Why the best way to protect endangered species could mean letting some go

The threat of invasive species – TED Talks, Jennifer Klos

Massive vines that blanket the southern United States, climbing high as they uproot trees and swallow buildings. A ravenous snake that is capable of devouring an alligator. Rabbit populations that eat themselves into starvation. These aren’t horror movie concepts – they’re real stories. But how could such situations exist in nature? Continue reading

Biodiversity is Best

Submitted by Cathy Dykstra

In this inquiry-based unit, the students will learn that conserving and protecting our water supply is crucial after they research the biodiversity of a specific ecosystem and discover that water is necessary for biodiversity and biodiversity is necessary for the health of the planet. Continue reading