After finding himself alone in an unreported wildfire in the woodlands of California, John Mills decided to take matters into his own hands. Hear the incredible story of how he rallied fire survivors and retired first responders to create Watch Duty, the nonprofit emergency alert system that’s beating official government warnings and buying people precious minutes to escape danger.

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More than 8,000 satellites orbit Earth, taking photos every day. Food security specialist and TED Fellow Catherine Nakalembe shows how she uses this imagery to help smallholder farmers across Africa prepare for floods, droughts and crop failures. Learn why real innovation isn’t always about shinier technology — it’s about making the tech truly fit the problem it’s solving.

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History has been written by whoever controls the dominant fuel of the era — until now, says renewables entrepreneur Matt Tilleard. He explains why, as the clean energy transition ramps up, we’re moving from a world where energy comes from burning fuels to one where it will come from using technology. Learn why this could change everything about global power dynamics — and why the future belongs not to those who control resources, but to those who build and share technology.

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Landfills across African cities are catching fire and releasing methane, an invisible greenhouse gas with more short-term warming potential than CO2. Sustainable strategist Mohamed A. Sultan reveals how local communities are turning this crisis into opportunity, diverting hundreds of tons of waste from landfills and helping thousands of farmers adopt more sustainable techniques. Learn why cutting methane emissions is a win-win opportunity to drive down global temperatures while also creating more livable cities. (This ambitious idea is part of The Audacious Project, TED’s initiative to inspire and fund global change.)

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In 2014, the world’s second largest coal consumer made a bold promise: to increase its solar capacity from three gigawatts to 100 gigawatts in just eight years. Many people called it overly ambitious, but energy expert Kanika Chawla saw the opportunity of a lifetime. She tells the story of how India became a solar powerhouse, turning an expensive dream into an economic reality — and creating a model for other countries to follow suit. After, Sherrell reflects on what drives the green economy and the growth strategy other companies can follow.

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Faced with the realities of current crises, it’s easy to assume our world is headed in a bleak direction. But there’s good reason to be hopeful— with developments in science and technology, a positive future is more viable than ever before. So, what if the future was awesome? Iseult Gillespie explores what three cities could look like in 100 years if we harness the tools we have at our disposal. [Directed by Devin Clark, Augenblick Studios, narrated by Alexandra Panzer, music by Tom Kaericher].

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As a teenager, social entrepreneur Anshul Tewari didn’t see young voices represented in the conversations that mattered. His solution? A simple blog that has since transformed into Youth Ki Awaaz (Voice of the Youth): India’s largest citizen media platform, where more than 200,000 young people write about underrepresented issues every month. From stories of bringing electricity to forgotten villages to launching national climate campaigns, Tewari reveals how authentic storytelling can build individual and collective agency for change. After the talk, Sherrell reflects on how to design systems that encourages participation—not clicks.

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Attention isn't just about what we focus on -- it's also about what our brains filter out. By investigating patterns in the brain as people try to focus, computational neuroscientist Mehdi Ordikhani-Seyedlar hopes to build computer models that can be used to treat ADHD and help those who have lost the ability to communicate. Hear more about this exciting science in this brief, fascinating talk. After the talk, Shoshana speaks with psychiatrist and ADHD specialist Dr. Sasha Hamdani on transforming healthcare for patients and families with ADHD.

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What do foot massage parties, otters, and AI robot tutors have in common? To find out, tune into our special end-of-year conversation featuring the hosts from TED Talks Daily, TED Radio Hour, TED Business, and TED Tech!

Elise Hu, Manoush Zomorodi, Modupe Akinola and Sherrell Dorsey got together to share the biggest ideas dominating their industry and the lesser-known insights they wished garnered more attention. From pushing back against AI advances to sharing the TED Talks that inspired them, Elise, Manoush, Modupe, and Sherrell reflect on 2025 and look ahead to 2026.

Conversations Mentioned

TED Radio Hour

1. Ray Kurzweil, "Could AI extend your life indefinitely? Futurist Ray Kurzweil thinks so" LINK 
2. Victor Riparbelli, “Will AI avatars eventually teach our kids?” LINK
3. Philip Johns, “Singapore's otters are butting heads with their human neighbors. Can they coexist?” LINK
4. Restoring trust in government, "Move fast...and fix democracy?" LINK

TED Talks

1. Sitoyo Lopokoiyit in conversation with Jacqueline Novogratz "A story of moral imagination and bold entrepreneurship" LINK
2. Sarah Beery, "How AI is unearthing hidden scientific knowledge" LINK
3. Scott Loarie (of iNaturalist), "The surprising power of your nature photos" LINK
4. Daniel Zavala-Araiza, "The best way to lower Earth’s temperature — fast" LINK
5. Jennifer Pahlka, "Coding a better government" LINK
6. Pinky Cole (Slutty Vegan), "How I make vegan food sexy" LINK
7. Jason Huang, "The high-wire act of unlocking clean energy" LINK
8. Jennifer Doudna, "CRISPR's next advance is bigger than you think" LINK
9. Jonny Sun, "You are not alone in your loneliness" LINK

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Dr. Joy Buolamwini is a computer scientist and a poet of code who uses art and research to illuminate the social implications of artificial intelligence. She joins to discuss her career as the founder of the Algorithmic Justice League, her best-selling book Unmasking AI: My Mission to Protect What is Human in a World of Machines, and her featured role in the acclaimed Netflix documentary Coded Bias.

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