TED Talks
TED: 100 solutions to reverse global warming | Chad Frischmann
What if we took out more greenhouse gases than we put into the atmosphere? This hypothetical scenario, known as "drawdown," is our only hope of averting climate disaster, says strategist Chad Frischmann. In a forward-thinking talk, he...
TED Talks
Michael Pawlyn: Using nature's genius in architecture
How can architects build a new world of sustainable beauty? By learning from nature. Michael Pawlyn describes three habits of nature that could transform architecture and society: radical resource efficiency, closed loops, and drawing...
TED Talks
Rahul Mehrotra: The architectural wonder of impermanent cities
Every 12 years, a megacity springs up in India for the Kumbh Mela religious festival -- what's built in ten weeks is completely disassembled in one. What can we learn from this fully functioning, temporary settlement? In a visionary...
TED Talks
TED: An economic case for protecting the planet | Naoko Ishii
We all share one planet -- we breathe the same air, drink the same water and depend on the same oceans, forests and biodiversity. economist Naoko Ishii is on a mission to protect these shared resources, known as the global commons, that...
TED Talks
Sonaar Luthra: We need to track the world's water like we track the weather
We need a global weather service for water, says entrepreneur and TED Fellow Sonaar Luthra. In a talk about environmental accountability, Luthra shows how we could forecast water shortages and risks with a global data collection effort...
TED Talks
Amory Lovins: A 40-year plan for energy
In this intimate talk filmed at TED's offices, energy innovator Amory Lovins shows how to get the US off oil and coal by 2050, $5 trillion cheaper, with no Act of Congress, led by business for profit. The key is integrating all four...
TED Talks
TED: What you need to know about carbon removal | Gabrielle Walker
What do woolly pigs have to do with climate change? They're part of a vital, ingenious and evolving strategy to take carbon out of the sky and store it safely -- in trees, soils, the ocean, buildings, rocks and deep underground. Every...
TED Talks
Pam Warhurst: How we can eat our landscapes
What should a community do with its unused land? Plant food, of course. With energy and humor, Pam Warhurst tells at the TEDSalon the story of how she and a growing team of volunteers came together to turn plots of unused land into...
TED Talks
TED: How to be a good ancestor | Roman Krznaric
Our descendants own the future, but the decisions and actions we make now will tremendously impact generations to come, says philosopher Roman Krznaric. From a global campaign to grant legal personhood to nature to a groundbreaking...
TED Talks
Romain Lacombe: A personal air-quality tracker that lets you know what you're breathing
How often do you think about the air you're breathing? Probably not enough, says entrepreneur and TED Fellow Romain Lacombe. He introduces Flow: a personal air-quality tracker that fits in your hand and monitors pollution levels in real...
TED-Ed
How much electricity does it take to power the world? | TED-Ed
All around the world, millions of people are flipping a switch, plugging in, and pressing an 'on' button every second. So how much electricity does humanity use? And how much will we need in the future? Discover how much energy it takes...
TED Talks
TED: How to provide cooling for everyone -- without warming the planet | Rachel Kyte
The way we cool things down is heating the planet even more, says sustainable development expert Rachel Kyte -- and the solutions go well beyond just fixing air-conditioning. She identifies four major areas with transformative solutions...
TED Talks
Steve Howard: Let's go all-in on selling sustainability
The big blue buildings of Ikea have sprouted solar panels and wind turbines; inside, shelves are stocked with LED lighting and recycled cotton. Why? Because as Steve Howard puts it: “Sustainability has gone from a nice-to-do to a...
TED Talks
Harish Manwani: Profit’s not always the point
You might not expect the chief operating officer of a major global corporation to look too far beyond either the balance sheet or the bottom line. But Harish Manwani, COO of Unilever, makes a passionate argument that doing so to include...
TED Talks
Tim Jackson: An economic reality check
As the world faces recession, climate change, inequity and more, Tim Jackson delivers a piercing challenge to established economic principles, explaining how we might stop feeding the crises and start investing in our future.
TED Talks
Michel Laberge: How synchronized hammer strikes could generate nuclear fusion
Our energy future depends on nuclear fusion, says Michel Laberge. The plasma physicist runs a small company with a big idea for a new type of nuclear reactor that could produce clean, cheap energy. His secret recipe? High speeds,...
TED-Ed
How do wind turbines work? | Rebecca J. Barthelmie and Sara C. Pryor
Every 24 hours, wind generates enough kinetic energy to produce roughly 35 times more electricity than humanity uses each day. And unlike coal or oil, this resource is totally renewed each day. So how can we harness this incredible...
TED Talks
TED: The architectural mastermind behind modern Singapore | Liu Thai Ker
Cities designed like families can last for generations. Skeptical? Look to master architect Liu Thai Ker, who transformed Singapore into a modern marvel with his unique approach to sustainable urban design. Liu shares creative wisdom and...
TED Talks
TED: 3 ways your company's data can jump-start climate action | Massimo Russo
From helping build smart cities to supporting the sustainable energy sector, the possibilities of big data are endless. But many companies are still wary of sharing data that could expose them to risk and diminish their competitive...
TED Talks
Tim Flannery: Can seaweed help curb global warming?
It's time for planetary-scale interventions to combat climate change -- and environmentalist Tim Flannery thinks seaweed can help. In a bold talk, he shares the epic carbon-capturing potential of seaweed, explaining how oceangoing...
TED Talks
Kotchakorn Voraakhom: How to transform sinking cities into landscapes that fight floods
From London to Tokyo, climate change is causing cities to sink -- and our modern concrete infrastructure is making us even more vulnerable to severe flooding, says landscape architect and TED Fellow Kotchakorn Voraakhom. But what if we...
TED Talks
TED: 5 transformational policies for a prosperous and sustainable world | Johan Rockstrom
In a talk about how we can build a robust future without wrecking the planet, sustainability expert Johan Rockstrom debuts the Earth3 model -- a new methodology that combines the UN Sustainable Development Goals with the nine planetary...
TED Talks
Marla Spivak: Why bees are disappearing
Honeybees have thrived for 50 million years, each colony 40 to 50,000 individuals coordinated in amazing harmony. So why, seven years ago, did colonies start dying en masse? Marla Spivak reveals four reasons which are interacting with...
TED Talks
TED: The radical potential of self-evolving robots | Emma Hart
What if robots could build and optimize themselves -- with little to no help from humans? Computer scientist Emma Hart is working on a new technology that could make "artificial evolution" possible. She explains how the three ingredients...