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Stories for "Environment"

Video: How wolves can alter the course of rivers

Video: How wolves can alter the course of rivers

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Wolves will travel to drink from a river. But could the presence of wolves lead a river to change its behavior? In his TED Talk, George Monbiot poetically explains how reintroducing wolves to Yellowstone National Park after a 70-year absence set off a “trophic cascade” that altered the movement of deer, sent trees soaring to []

Let’s unite as Team Humanity to revive degraded land: A conversation with TED Books author Allan Savory and rancher Gail Steiger

Let’s unite as Team Humanity to revive degraded land: A conversation with TED Books author Allan Savory and rancher Gail Steiger

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All over the world, land is turning into desert at an alarming rate. Biologist Allan Savory has dedicated a lifetime to figuring out what’s causing this “desertification.” Finally, after decades of work in the field, Savory discovered a radical solution—one that went against everything scientists had always thought. He used huge herds of livestock, managed []

Field, fuel & forest: Fellows Friday with Sanga Moses

Field, fuel & forest: Fellows Friday with Sanga Moses

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When former accountant Sanga Moses ran into his sister on a far-from-home road carrying firewood on what was supposed to be a school day, his life changed. He knew that Uganda’s rapidly disappearing forests had big implications for the environment, but he hadn’t recognized the day-to-day effect it was having on the lives of his []

TED Radio Hour: Everything is Connected

TED Radio Hour: Everything is Connected

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Take a step back and consider the exquisite network of systems that sustain life on Planet Earth. The air we breathe, the food we eat and the ground we walk on are all carefully regulated by natural systems in an intertwined dance — which means that any change we make in our environment can set []

Red Hook still hurting after Hurricane Sandy: A diary

Red Hook still hurting after Hurricane Sandy: A diary

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New York is slowly but surely coming back to life after being battered by Hurricane Sandy. Nearly all of Manhattan has electricity, and subway lines are being restored. But not every area of the city is faring so well. As The New York Times noted on Saturday, many of the city’s public housing facilities — []

Put a value on nature! Pavan Sukhdev on TED.com

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Every day, we use materials from the earth without thinking, for free. But what if we had to pay for their true value: would it make us more careful about what we use and what we waste? Think of Pavan Sukhdev as nature’s banker — assessing the value of the Earth’s assets. Eye-opening charts will []

Flesh-eating mushrooms: Fellows Friday with Jae Rhim Lee

Flesh-eating mushrooms: Fellows Friday with Jae Rhim Lee

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Artist Jae Rhim Lee (watch her TED Talk) is asking us to rethink our relationship with death and the planet — with the help of flesh-eating mushrooms, she’s making human decomposition clean and green. You’re an artist and designer primarily concerned with how our bodies interact with the world. I’m concerned with finding alternatives that []

Freeing energy from the grid: Justin Hall-Tipping on TED.com

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What would happen if we could generate power from our windowpanes? In this moving talk, entrepreneur Justin Hall-Tipping shows the materials that could make that possible, and how questioning our notion of ‘normal’ can lead to extraordinary breakthroughs. (Recorded at TEDGlobal 2011, July 2011, in Edinburgh, Scotland. Duration: 12:45.) Watch Justin Hall-Tipping’s talk on TED.com, where []

The art of wearable communication: Kate Hartman on TED.com

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Artist Kate Hartman uses wearable electronics to explore how we communicate, with ourselves and with the world. In this quirky and thought-proviking talk she shows the “Talk To Yourself Hat”, the “Inflatable Heart”, the “Glacier Embracing Suit”, and other unexpected devices. (Recorded at TED 2011, in Long Beach, California. Duration: 9:06.) Watch Kate Hartman’s talk on TED.com, []

Happy birthday, Sylvia Earle!

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“As the ocean gives us life, we must give back — an enduring gift from us to the future.” — Sylvia Earle Today we celebrate 2009 TED Prize winner Sylvia Earle‘s birthday by celebrating the many successes in ocean protection that took place in 2011. Sylvia recently told us the good news: “[This year there []

Are we filtering the wrong microbes? Jessica Green on TED.com

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Should we keep the outdoors out of hospitals? Ecologist and TED Fellow Jessica Green has found that mechanical ventilation does get rid of many types of microbes, but the wrong kinds: the ones left in the hospital are much more likely to be pathogens. (Recorded at TEDGlobal 2011, July 2011, in Edinburgh, Scotland. Duration: 5:25.) Watch []

Are mushrooms the new plastic?: Eben Bayer on TED.com

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Product designer Eben Bayer reveals his recipe for a new, fungus-based packaging material that protects fragile stuff like furniture, plasma screens — and the environment. (Recorded at TEDGlobal, July 2010 in Oxford, England. Duration: 9:05) Watch Eben Bayer’s talk on TED.com where you can download it, rate it, comment on it and find other talks []