Confronting climate change makes for better cities and a better quality of life, says Heidi Sørensen, director of the climate agency for the city of Oslo, Norway. From construction sites without noise pollution to fully…

In June 2022, TED’s climate initiative, Countdown, launched its Dilemma Series: events designed to look at some of the “knots” in the climate change space, where diverging positions have stalled progress and solidified into an…

We know capitalism exacerbates injustice and inequality worldwide. So how can we fix it? Professor and social entrepreneur Manish Bhardwaj thinks we need to integrate “moral clarity” — which he defines as “doing the right…

When you can’t sleep, you’re desperate for help. And there’s a booming industry waiting to tell you all the ways a lack of sleep can ruin your health — and to sell you fancy gadgets…

From favorite moons to the search for alien life, astronomer Heidi Hammel discusses the latest in astronomy and the breakthrough innovations behind her work with NASA’s James Webb Space Telescope. In conversation with science journalist…

Can we use less energy from fossil fuels while also meeting our transportation needs? Enter shared electric micromobility: the transition away from dependence on cars and towards lightweight transport options like electric scooters, which release…

Actor and activist Jane Fonda discusses her frontline work fighting for climate action, including recent efforts to support climate-minded candidates running for office in the US and to break the fossil fuel industry’s stranglehold on…

What if we could use the power of DNA to create a sustainable, circular economy? In a talk about breakthrough science, synthetic biologist Jason W. Chin describes his team’s work rewriting the genetic blueprint of…

Does success come from luck or skill, and how do you tell the difference? One way to find an answer: think like a pro gambler does, says football executive Rasmus Ankersen. Using sports analytics to…

Restaurateur Will Guidara’s life changed when he decided to serve a two-dollar hot dog in his fancy four-star restaurant, creating a personalized experience for some out-of-town customers craving authentic New York City street food. The…