Fashion is a huge part of the world's waste problem, but it doesn't have to be. Coachtopia founder Joon Silverstein shows how her company creates new designs from the waste products of another, a circular process that cuts the need for...

In a universe not unlike ours, a tech-environmentalist group claims to have created an AI that is the direct “voice of the earth,” a computer connected via electrodes to the mycelium network under an ancient forest named S.A.N. (Sentient...

You're about to hear the sounds of several different creatures — from the voice of one single musician. In a spellbinding talk and performance, singer Snow Raven mimics the hoot of an owl, the grumble of a bear, the howl of a wolf and more.

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...

When wildfires rage in California, incarcerated people are often on the front lines fighting the flames. TED Fellow Royal Ramey was one of them. He shares the story of how doing public service in prison inspired him to cofound the...

What if you could take something as tiny as a grain of sand — and as common as a glass bottle — and use it to tackle the climate crisis? Waste alchemist Franziska Trautmann shares how the spark of an idea turned into a large-scale...

“Being on a voyage forces you to unplug,” says TED Fellow and third-generation captain Lehua Kamalu. Sharing ancient knowledge from traditional Hawaiian ocean voyaging, she reflects on the transformational power of seafaring journeys —...

What if AI could think and adapt like a real brain? TED Fellow and AI scientist Ramin Hasani shares how liquid neural networks — a new, more flexible AI technology inspired by physics and living brains — could transform how we solve...

Is the Universe Entirely Mathematical feat. Max Tegmark

About the importance of the National Parks Foundation.

A technology to ignore birds on radar ended up being useful to study and conserve them.

In this captivating video narrated by astrophysicist Neil deGrasse Tyson, viewers are taken on a journey through the history of the universe, from its explosive beginnings to the evolution of life on Earth. Through a mix of science and...

Have you ever wondered why leaves are green and not red, blue, or even black? We did too!

The first step to saving nature is the rewilding of our own minds, says conservationist and former Patagonia CEO Kristine McDivitt Tompkins. With an unwavering commitment to protecting ecosystems, she and her late husband Douglas...

Why aren't restaurants part of the climate solution? This question inspired chef Anthony Myint to go from opening buzzy pop-ups to pushing for a shift to regenerative farming practices in the food system. He explains how it didn't go the...

Small Indigenous communities make up only five percent of the world's population, but they defend 80 percent of the biodiversity that remains on Earth, says war reporter Anjan Sundaram. He paints a picture of Mexico's embattled...

In the millions of years since oxygen began saturating Earth’s oceans and atmosphere, most organisms have evolved to rely on this gas. However, there are some places where oxygen-averse microorganisms like those from Earth’s earliest...

For most of the world’s 4,000 mayfly species, adulthood lasts roughly one day. And for some species, it’s only a matter of minutes. This isn’t because they’re all eaten up by predators. Rather, this abridged adulthood is a natural part...

How does a biscuit make it from the farm to your plate? Sustainable development leader Aruna Rangachar Pohl unpacks the long journey of one of India's most beloved snacks, revealing how the current industrial farming model is eating the...

In the beginning of the universe, all was darkness — until the first organisms developed sight, which ushered in an explosion of life, learning and progress. AI pioneer Fei-Fei Li says a similar moment is about to happen for computers...

Uncontrolled fire threatens nature — but the right kind of fire can maintain the health and balance of the land, says fire management expert Oral McGuire. As a leader in the Nyungar community of southwestern Australia and a former...

There are more than 2,000 firefly species, found on every continent except for Antarctica — an astonishing diversity of movement and light. Firefly scientist Wan Faridah Akmal Jusoh explores the mysteries of these little beetles that...

Louise Mabulo grew up on seemingly strange farming tips from her parents and grandparents — like planting crops during a full moon or burying a rock beneath them. Now a farmer and climate activist herself, she sees how these practical...

In a part of the United States with more than 17,000 years of human history, cultural preservation advocate Tracie Revis is working to turn the Ocmulgee Mounds into Georgia's first national park and preserve. This park would be...