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-Ed
TED-Ed: Why isn’t the Netherlands underwater?
In January 1953, a tidal surge shook the North Sea. The titanic waves flooded the Dutch coastline, killing almost 2,000 people. 54 years later, a similar storm threatened the region. But this time, they were ready. This was thanks to a...
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...
TED Talks
TED: How to make radical climate action the new normal | Al Gore
A net-zero future is possible, but first we need to flip a mental switch to truly understand that we can stop the climate crisis if we try, says Nobel laureate Al Gore. In this inspiring and essential talk, Gore shares examples of...
TED Talks
TED: The key to a better malaria vaccine | Faith Osier
The malaria vaccine was invented more than a century ago -- yet each year, hundreds of thousands of people still die from the disease. How can we improve this vital vaccine? In this informative talk, immunologist and TED Fellow Faith...
TED Talks
Lee Cronin: Print your own medicine
Chemist Lee Cronin is working on a 3D printer that, instead of objects, is able to print molecules. An exciting potential long-term application: printing your own medicine using chemical inks.
TED Talks
TED: Apple's promise to be carbon neutral by 2030 | Lisa Jackson and Liz Ogbu
Under the leadership of Lisa Jackson, Apple's environment and social VP and former head of the EPA, the company is already carbon neutral within their own corporate and retail boundaries. By 2030, Apple hopes to extend carbon neutrality...
TED Talks
TED: An action plan for solving the climate crisis | John Doerr and Ryan Panchadsaram
How much more damage do we have to endure before we realize that it's cheaper to save this planet than to ruin it? asks engineer and investor John Doerr. In conversation with Countdown cofounder Lindsay Levin, Doerr and systems innovator...
TED Talks
TED: This country isn't just carbon neutral -- it's carbon negative | Tshering Tobgay
Deep in the Himalayas, on the border between China and India, lies the Kingdom of Bhutan, which has pledged to remain carbon neutral for all time. In this illuminating talk, Bhutan's Prime Minister Tshering Tobgay shares his country's...
TED Talks
TED: Pirates, nurses and other rebel designers | Alice Rawsthorn
In this ode to design renegades, Alice Rawsthorn highlights the work of unlikely heroes, from Blackbeard to Florence Nightingale. Drawing a line from these bold thinkers to some early modern visionaries like Buckminster Fuller, Rawsthorn...
TED Talks
TED: A small country with big ideas to get rid of fossil fuels | Monica Araya
How do we build a society without fossil fuels? using her native Costa Rica as an example of positive action on environmental protection and renewables, climate advocate Monica Araya outlines a bold vision for a world committed to clean...
TED Talks
Brandon Clifford: Architectural secrets of the world's ancient wonders
How did ancient civilizations move massive stones to build Stonehenge, the Pyramids and the Easter Island statues? In this quick, delightful talk, TED Fellow Brandon Clifford reveals some architectural secrets of the past and shows how...
TED Talks
Mariana Mazzucato: What is economic value, and who creates it?
Where does wealth come from, who creates it and what destroys it? In this deep dive into global economics, Mariana Mazzucato explains how we lost sight of what value means and why we need to rethink our current financial systems -- so...
TED Talks
TED: How I became an entrepreneur at 66 | Paul Tasner
It's never too late to reinvent yourself. Take it from Paul Tasner -- after working continuously for other people for 40 years, he founded his own start-up at age 66, pairing his idea for a business with his experience and passion. And...
TED Talks
Julian Burschka: What your breath could reveal about your health
There's no better way to stop a disease than to catch and treat it early, before symptoms occur. That's the whole point of medical screening techniques like radiography, MRIs and blood tests. But there's one medium with overlooked...
TED Talks
Rose M. Mutiso: How to bring affordable, sustainable electricity to Africa
Energy poverty, or the lack of access to electricity and other basic energy services, affects nearly two-thirds of Sub-Saharan Africa. As the region's population continues to increase, so will the need to build a new energy system to...
TED Talks
TED: A simple new blood test that can catch cancer early | Jimmy Lin
Jimmy Lin is developing technologies to catch cancer months to years before current methods. He shares a breakthrough technique that looks for small signals of cancer's presence via a simple blood test, detecting the recurrence of some...
TED Talks
TED: Future tech will give you the benefits of city life anywhere | Julio Gil
Don't believe predictions that say the future is trending towards city living. urbanization is actually reaching the end of its cycle, says logistics expert Julio Gil, and soon more people will be choosing to live (and work) in the...
TED Talks
TED: How to decarbonize the grid and electrify everything | John Doerr and Hal Harvey
The good news is it's now clearly cheaper to save the planet than to ruin it, says engineer and investor John Doerr. "The bad news is: we are fast running out of time." In this conversation with climate policy expert Hal Harvey, the two...
TED-Ed
The world's biggest battery looks nothing like a battery | TED-Ed
As of 2020, the world's biggest lithium-ion battery is hooked up to the Southern California power grid and can provide enough power for about 250,000 homes. But it's actually not the biggest battery in the world: a pair of lakes are. How...
TED Talks
TED: How is your city tackling the climate crisis? | Marvin Rees
If we can unlock the full potential of our cities, we can minimize the price the planet pays for hosting us in our growing numbers, says Marvin Rees, the Mayor of Bristol, UK, who understands deeply how cities can help (or hurt) the...
TED Talks
TED: The breakthrough science of mRNA medicine | Melissa J. Moore
The secret behind medicine that uses messenger RNA (or mRNA) is that it "teaches" our bodies how to fight diseases on our own, leading to groundbreaking treatments for COVID-19 and, potentially one day, cancer, the flu and other ailments...
TED Talks
TED: How a long-forgotten virus could help us solve the antibiotics crisis | Alexander Belcredi
Viruses have a bad reputation -- but some of them could one day save your life, says biotech entrepreneur Alexander Belcredi. In this fascinating talk, he introduces us to phages, naturally-occurring viruses that hunt and kill harmful...
TED Talks
R.A. Mashelkar: Breakthrough designs for ultra-low-cost products
Engineer RA Mashelkar shares three stories of ultra-low-cost design from India that use bottom-up rethinking, and some clever engineering, to bring expensive products (cars, prosthetics) into the realm of the possible for everyone.