The Tragedy of Air Pollution -- and an Urgent Demand for Clean Air | Rosamund Adoo-Kissi-Debrah |TED

You Deserve the Right to Repair Your Stuff | Gay Gordan-Byrne | TED

Why Play Is Essential for Business | Martin Reeves | TED

A Sex Therapist's Secret to Rediscovering Your Spark | Ian Kerner | TED

The Ocean's Ingenious Climate Solutions | Susan Ruffo | TED Countdown

The Incredible Cancer-Detecting Potential of Photoacoustic Imaging | Lei Li | TED

How to Fix Two of the Most Broken Systems in the US | Nick Turner | TED

War in Ukraine -- and What It Means for the World Order | Ian Bremmer | TED

Sustainable Cooling That Doesn’t Warm the Planet | Rachel Kyte | TED Countdown

Sex Education Should Start with Consent | Kaz | TED

4 Ways to Redefine Power at Work to Include Women of Color | Rha Goddess & Deepa Purushothaman | TED

The New Reality of Fashion is Digital | Gala Marija Vrbanic | TED

What You Need to Know About Carbon Removal | Gabrielle Walker | TED

The Unexpected, Underwater Plant Fighting Climate Change | Carlos M. Duarte | TED Countdown

How Radical Hospitality Can Change the Lives of the Formerly Incarcerated | Reuben Jonathan Miller

What if Women Built the World They Want to See? | Emily Pilloton-Lam | TED

How Comic Strips Create Better Health Care | Sam Hester | TED

The War in Ukraine Could Change Everything | Yuval Noah Harari | TED

How Biochar Removes CO2 from the Air -- and Helps Farmers Thrive | Axel Reinaud | TED

What Makes a Job "Good" -- and the Case for Investing in People | Warren Valdmanis | TED

Language Shouldn't Be a Barrier to Climate Action | Sophia Kianni | TED Countdown

How Moms Shape The World | Anna Malaika Tubbs | TED

Use Your Voice, Vote and Wallet for Climate Action | Halla Tómasdóttir | TED

A King Cobra Bite -- and a Scientific Discovery | Gowri Shankar | TED

Jim Hagemann Snabe: Dreams and details for a decarbonized future | TED Countdown

Tom Osborn: A new way to help young people with their mental health | TED

Vishaan Chakrabarti: A vision of sustainable housing for all of humanity | TED Countdown

Elizabeth Zion: The need for family reunification -- to make families whole again | TED

Dwan Reece: The origins of blackface and Black stereotypes | TED

Erin Meezan: What nature can teach us about sustainable business | In The Green

Christina Costa: How gratitude rewires your brain | TED

James Rhee: The value of kindness at work | TED

Shweta Narayan: It's impossible to have healthy people on a sick planet | TED Countdown

Jack Dangermond: An ever-evolving map of everything on Earth | TED Countdown

Nemonte Nenquimo: The forest is our teacher. It's time to respect it | TED Countdown

John Doerr and Ryan Panchadsaram: An action plan for solving the climate crisis | TED Countdown

Jamil Zaki: How to escape the cynicism trap | TED

Nili Gilbert: The crucial intersection of climate and capital | TED Countdown

Tim Dunn: How we're reducing the climate impact of electronics | In The Green

Derek Sarno: The many reasons to eat a plant-based diet | TED Countdown

Candace Parker: How to break down barriers and not accept limits | TED

Jennifer Aaker and Naomi Bagdonas: Why great leaders take humor seriously | TED

Nicola Sturgeon: How small countries can make a big impact on climate change | TED Countdown

Farwiza Farhan: The powerful women on the front lines of climate action | TED Countdown

Katie McGinty: Smart solutions to decarbonize buildings | In the Green

Larry Irvin: A program to empower Black teachers in the US | TED

Josh Giegel: Super speed, magnetic levitation and the vision behind the hyperloop | TED

Chibeze Ezekiel: A vision for sustainable energy in Africa | TED Countdown