What's wrong with what we eat?

Nutritious crops aren't getting to the people who need nutrition most, even in one of the most fertile places on Earth: Indonesia. Exploring some of the forgotten foods from the country's more than 17,000 islands, food entrepreneur Helianti Hillman explains why centering food policy on biodiversity, rather than monoculture, is the key to healthier people and a healthier planet.

Here's a wild stat: nearly one-third of the world's food production goes to waste each year, a major contributor to the climate crisis. Farmer and UN climate champion Gonzalo Muñoz sheds light on the international negotiations aimed at turning the food system into a climate solution, rather than part of the problem — and shows the progress already underway.

Sharing powerful stories from his anti-obesity project in Huntington, West Virginia -- and a shocking image of the sugar we eat -- TED Prize winner Jamie Oliver makes the case for an all-out assault on our ignorance of food.

What does food mean to you, your community and our planet? With ​​personal accounts from the kitchen to the operating room, chef and content creator Jon Kung and cardiologist Uma Valeti unpack how food cultivates creativity and offers opportunities to connect with and blend cultures. Exploring Valeti’s experiences developing a healthier meat alternative, they discuss what it takes to overcome the impossible — whether that’s saving a patient’s life or transforming ideas around traditional foods — and how we can all make steps towards more sustainable cooking.

What happens when the fish that sustain a community start disappearing? Environmental activist Lamin Jassey shares how industrial fish meal factories are devastating local waters, livelihoods and health in The Gambia — and how communities are organizing to defend their coasts and reclaim their future, one catch at a time.

What if solving hunger isn't about growing more food but wasting less of it? Social entrepreneur Jasmine Crowe-Houston has made that idea her mission with Goodr, a platform that reroutes surplus food to people in need. In conversation with journalist and "TED Radio Hour" host Manoush Zomorodi, she shares how a viral moment led to a nationwide effort to fix the food waste problem.

Sometimes feeding just one child can seem challenging. Not for entrepreneur Wawira Njiru, who’s gone from serving lunch to 25 children from a makeshift kitchen to establishing her nonprofit, Food4Education, as a cornerstone of Kenya’s school meals system. Currently serving half a million meals to children every day, she’s now thinking even bigger. Hear about her incredible plan to serve delicious, nutritious daily meals to millions of kids across Africa by 2030. (This ambitious idea is part of The Audacious Project, TED’s initiative to inspire and fund global change.)

We all know the arguments that being vegetarian is better for the environment and for the animals -- but in a carnivorous culture, it can be hard to make the change. Graham Hill has a powerful, pragmatic suggestion: Be a weekday veg.