In this deeply moving talk, educator Shabana Basij-Rasikh shares the harrowing story of evacuating more than 250 students, staff and family members from the School of Leadership, Afghanistan (SOLA) -- the country's first and only all-girls boarding..
Every moment of movement is a chance to become more aware of yourself and the world around you, says Zen Buddhist nun Sister True Dedication. Guiding us through the art of "walking meditation," she shares three essential questions to ask yourself to..
There's been explosive investment in new technologies aimed at decarbonizing the planet. But climate investor Dawn Lippert says something key is missing from this strategy: investment in the local people these solutions would most affect. She shares..
When a psychologist who studies well-being ends up with a brain tumor, what happens when she puts her own research into practice? Christina Costa goes beyond the "fight" narrative of cancer -- or any formidable personal journey -- to highlight the..
Investing in green energy, holding large corporations accountable for their pollution, stopping pipeline and oil extraction initiatives -- these are non-negotiable actions to protect the planet, but they are still just the bare minimum, say climate..
Floods, droughts, heat waves and cold blasts -- why is the weather becoming more extreme? Environmentalist and "America's weatherman" Al Roker discusses the link between climate change and disruptions to weather patterns worldwide, followed by a..
Kindness can go a long way when it comes to reshaping a business. Having saved a fashion company from the brink of bankruptcy, entrepreneur James Rhee shares the value of investing in a culture of compassion at work -- and shows why we should all lead..
As you get older, your eyes worsen and become susceptible to a disease called age-related macular degeneration -- the leading cause of blindness, with no cure in sight. Sharing the science of how your vision works, researcher Joshua Chu-Tan offers..
"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 Ryan..
Who are you, really? Neuroscientist Anil Seth lays out his fascinating new theory of consciousness and self, centered on the notion that we "predict" the world into existence. From sleep to memory and everything in between, Seth explores the reality..
TED Fellow and education innovator Larry Irvin envisions a world where every child can see themselves reflected in their teachers. With his team at Brothers Empowered to Teach, Irvin is providing pathways to careers in education for Black men, who..
Questionable phone calls, concerning emails, heart-rending stories from a sudden new friend in need of endless financial support: elder abuse can take many forms, says lawyer Jane Walsh. And as technology becomes more sophisticated, susceptibility to..
The people of Palau -- a pristine ocean state made up of more than 300 islands in the western Pacific -- warmly welcome travelers to their home every year. But the guests don't always know how to protect the country's beautiful beaches and coral..
Vegan chef (and head chef of TED Countdown Summit) Derek Sarno is on a mission to unleash the mighty power of plants, creating nutritious food from mushrooms and vegetables that's full of texture and flavor -- and good for the planet. He dishes out..
The financial sector often talks of decarbonizing investment portfolios as a way to fight climate change. But portfolios can be "cleaned" without having any real impact on the problem, says investment expert Nili Gilbert. Bringing science to finance,..
What if your hour-long commute was reduced to just minutes? That's the promise of the hyperloop: a transit system designed around a pod that zooms through a vacuum-sealed space (roughly the size of a subway tunnel) at hyper-speed, powered by..
When it comes to tackling climate change, the size of a country doesn't matter -- it's their ambition that counts, says First Minister of Scotland Nicola Sturgeon. In a rousing talk, she shares examples of small nations -- from Bhutan and Fiji to her..
We've been hearing about self-driving cars for years, but autonomous vehicle entrepreneur Aicha Evans thinks we need to dream more daringly. In this exciting talk, she introduces us to robotaxis: fully autonomous, eco-friendly shuttles that would take..
What is COP26? Here's what you need to know about the crucial UN climate conference set to take place in Glasgow, Scotland from October 31-November 12, 2021. Featuring climate advocate Al Gore; Paris Climate Agreement architect Christiana Figueres;..
This is the climate challenge we face: we need to go from putting 55 billion metric tons of greenhouse gases into the air each year to zero. And it all needs to happen by 2050 at the latest. How can we get there? This quick animated video explains...
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 extreme climate..
Great ideas are like electricity -- they snap into sharp focus and sprint from place to place. What's the best way to capture them? Bozoma Saint John, Chief Marketing Officer at Netflix, makes a compelling case to move away from an overreliance on..
What we know today about global greenhouse gas emissions is mostly self-reported by countries, and those numbers (sometimes tallied manually on paper!) are often inaccurate and prone to manipulation. If we really want to get serious about fighting..
From puffy trousers to pantsuits and everything in between, law professor and author Richard Thompson Ford takes us on a fascinating tour through the history of fashion and the evolution of dress codes that still influence style today, tracing the..
"Cutting methane is the single fastest, most effective opportunity to reduce climate change risks in the near term," says atmospheric scientist Ilissa Ocko. That's because, unlike carbon dioxide, methane's warming power doesn't come from a gradual..
Climate action can be a vehicle to deliver dignity, opportunity and equality for all. UN Deputy Secretary-General Amina J. Mohammed invites us to reimagine what the journey to net-zero could look like if we invest in people's climate efforts while..
Refrigerators do much more than store your groceries -- they're also vital to preserving and distributing vaccines. Illustrating the realities of (and threats to) global vaccine supply chains, technologist and TED Fellow Nithya Ramanathan describes..
In 2020, China's President Xi Jinping pledged that China would both peak its emissions by 2030 and achieve net-zero emissions by 2060 -- a change that will require action at an unheard-of scale and speed. Can the country actually achieve this..
What is AI, really? Jeff Dean, the head of Google's AI efforts, explains the underlying technology that enables artificial intelligence to do all sorts of things, from understanding language to diagnosing disease -- and presents a roadmap for building..
To fight climate change, we need to clean up the global electricity system by replacing fossil fuel power plants with clean generation -- right? Climate author Solomon Goldstein-Rose thinks we need to do much more than that. Replacement isn't enough,..
Work that's dictated by a fixed schedule, place and job description doesn't make sense anymore, says leadership expert Debbie Lovich. In light of the cultural shift towards remote work sparked by the pandemic, Lovich gives three essential tips to..
Co-ops date back almost 200 years, run by groups of people that work together to own and operate a company. What does it look like when this tried-and-true business model merges with the digital economy? Trebor Scholz introduces the "platform..
Childcare needs a transformation -- but rather than investing billions in new buildings and schools, what if we could unlock the potential of people already nearby? Entrepreneur Chris Bennett offers an innovative way to tackle the shortage of..
We currently have enough fossil fuels to progressively transition off of them, says climate campaigner Tzeporah Berman, but the industry continues to expand oil, gas and coal production and exploration. With searing passion and unflinching nerve,..
In this stunning spoken-word performance, poet and "freedom-forging futurist" Naima Penniman celebrates the wonders of the natural world and humanity's connection to it. "I wonder if the sun debates dawn some mornings," she says.
The roadmap to ending pollution from transportation is here, says electrification advocate Monica Araya. In conversation with head of TED Chris Anderson, Araya introduces Drive Electric: a global campaign to retire the polluting internal combustion..
Computer skills aren't what's stopping people from breaking into the tech industry, says social entrepreneur Irma L. Olguin Jr. More often, the biggest hurdles are things like access to childcare, transportation and financial stability. In this..
Africa needs new energy sources to fuel its development, but the continent should invest in renewable energy instead of cheap, polluting alternatives like coal, says climate inclusion activist Chibeze Ezekiel. He tells the story of how he worked with..
What if you could eat chicken nuggets without harming a chicken? It's possible through "cellular agriculture," says Isha Datar. In a talk about cutting-edge science, she explains how this new means of food production makes it possible to eat meat..
Activism is a tough job, especially for young people yearning for immediate change -- something climate activist Melati Wijsen has learned over ten years of pushing for environmental protection, starting at age 12 in her home on the island of Bali,..
As a diver in the 1970s, marine ecologist Enric Sala saw once-lush oceanscapes reduced to underwater deserts -- but later, in marine preserves across the globe, he also witnessed the ocean's power to rejuvenate itself when left to its own natural..
When it comes to big problems like climate change, we tend to focus on big solutions -- but many of the best ideas come from people on the ground, facing day-to-day conservation battles. Sharing her effort to protect the Leseur ecosystem in Indonesia..
What if we had a map of ... everything? Jack Dangermond, a visionary behind the geographic information system (GIS) technology used to map and analyze all kinds of complex data, walks us through the interconnected technologies gathering information..
There are things we accept as obvious truths that aren't necessarily backed up by data. A primary example: cousin marriage being taboo. In this episode, data journalist Mona Chalabi looks at the numbers behind our family trees to reveal that cousin..
No one remembers when you're right, but no one forgets when you're wrong. Your local weather person knows that saying all too well. But while they take a lot of the heat (get it?), how much of it is actually justified? In this episode, Mona Chalabi..
How we identify makes a difference in our lived experiences, but it's not always reflected in the checkboxes we see on forms. In this episode, Mona Chalabi explores why language matters in data collection, and why the categories we use should reflect..
When it comes to making a baby, we know it takes two to tango. So why do the pressures of fertility often fall on only one half of the equation? In this video, data journalist Mona Chalabi examines some of the big misconceptions around fertility,..
It's tempting to focus on averages when we think about data, but the world is a lot messier than those numbers can make it out to be. So what could we gain if we shifted our attention to the outliers in the data, or as data journalist Mona Chalabi..
"Every conversation has the potential to open up and reveal all the layers and layers within it, all those rooms within rooms," says podcaster and musician Hrishikesh Hirway. In this profoundly moving talk, he offers a guide to deep conversations and..
Greenhouse gases are colorless, scentless and invisible, making them exceptionally hard to measure. Fortunately, some tools and techniques can help -- one of the most powerful being artificial intelligence, says green technologist Charlotte Degot. By..