The ethical case for taking on the climate crisis | Al Gore, Wanjira Mathai & Karenna Gore (TED Countdown House)
For the first time in climate negotiations, leaders are asking the question that actually matters: not just how do we solve the climate crisis — but why aren't we? Join Nobel laureate Al Gore for an in-depth conversation with Wanjira Mathai and Karenna Gore, leaders of the Global Ethical Stocktake: an urgent, values-first reset that seeks to center justice, phase out fossil fuels and elevate Indigenous and Global South leadership. Discover the initiative that's making fossil fuel lobbyists squirm and climate veterans hopeful — before the world moves on to COP31.Please note, this conversation was recorded live on November 14, 2025, at the TED Countdown House at the United Nations Climate Change Conference, or COP30, in Belém, Brazil. There are a variety of names mentioned during the conversation of global leaders involved in the convening that took place at COP30, they are as follows (listed in order of mention):Laurence Stebiana, Special Envoy to Europe for COP30Marina Silva, Brazil's Minister of the Environment and Climate ChangeKumi Naidoo, South African human rights activist and former director of GreenpeaceSelwin Hart, Special Adviser to the United Nations Secretary-General on Climate Action and Just TransitionAntónio Guterres, United Nations Secretary-General Gus Speth, American environmental lawyer"Mutirão COP30," the Tupi-Guarani term meaning "a collective effort or community mobilization" Hosted on Acast. See acast.com/privacy for more information.
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How ibogaine could treat depression and anxiety | Nolan Williams
The late Stanford neuroscientist Nolan Williams shares his research on the potential of a plant-derived psychoactive compound called ibogaine to help people with traumatic brain injury recover from PTSD, depression and anxiety. (Followed by a brief Q&A with Head of TED Chris Anderson) Hosted on Acast. See acast.com/privacy for more information.
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Why are we demolishing homes during a housing crisis? | Olaf Grawert
Every minute somewhere in Europe, a house is demolished — along with the memories and sense of community it holds, says architect Olaf Grawert. Exposing the human and environmental cost of demolition for profit, he highlights a bold alternative that could address the growing housing crisis. Learn how rethinking the value of the buildings we already have could create sustainable, affordable homes for millions and reshape the future of cities. Hosted on Acast. See acast.com/privacy for more information.
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How we built Watch Duty, the lifesaving wildfire alert app | John Mills
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. Hosted on Acast. See acast.com/privacy for more information.
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How I found resilience through artistry | Misty Copeland
How did Misty Copeland break barriers and become one of the world's most famous ballerinas? In this powerful talk, she charts her rise from childhood adversity to history-making dancer at the prestigious American Ballet Theatre — and gives a peek at what she plans to do next. Hosted on Acast. See acast.com/privacy for more information.
Want TED Talks on the go? Everyday, this feed brings you our latest talks in audio format. Hear thought-provoking ideas on every subject imaginable – from Artificial Intelligence to Zoology, and everything in between – given by the world's leading thinkers and doers. This collection of talks, given at TED and TEDx conferences around the globe, is also available in video format. Hosted on Acast. See acast.com/privacy for more information.
South Africa