Celebrate nature and Earth's biodiversity with these action-driven ideas that will inspire you to protect the climate for the generations to come.

Learn all the hubbub going on with the big Red Planet in these insightful and utterly fascinating talks.

For those times when living a life far beyond our planet looks a little too appealing.

Humanity's increasingly permanent mark on the planet has spurred a new geological age in earth's history: the Anthropocene. Learn how we got to this point -- and what our footprint means to the future of the planet.

Mars is humanity's next destination. We keep talking about it, but what would it really be like to live there?

There's something special about our busy, blue marble of a planet. These talks explore why we should make strides to preserve our shared, galactic home.

Sure, we're looking beyond the planet to other worlds we may one day inhabit -- but a lot of this technology we've developed can be used for the good of the Earth, too.

Our planet is a wonder, a perfectly improbable incubator for life. It’s also in danger because of our indifference. Reflections on both those truths.

Master architects share their vision for buildings that inflate, float, twist and glitter, while artfully addressing the challenges faced by their residents, their cities and the planet.

Is Earth really the only life-sustaining planet? These speakers think there might just be something or someone else out there -- and urge us to keep looking for it.

What is nature? Follow the camera's eye to many stunning places on the planet -- from the African veldt to the Amazon rainforest to the teeming world under the Arctic ice.

What moves Jill Bolte Taylor? "I love talks that contribute to the overall well-being of who we are as humanity -- about how we can explore ourselves as people in relationship with one another and with this beautiful planet."

Ski to the North Pole. Row across the Pacific. Swim on Mt. Everest(!). These adventurers have pushed themselves to the limits of human endurance, and in these talks they share what they've learned about themselves and the planet.

Learn about the amazing science behind some of the most awe-inspiring things in the world (and beyond).

Learn how these microorganisms influence everything from the air we breathe and how healthy we are, to forming life itself.

It's easy to worry about food: Are we eating the wrong stuff? What about people who don't have enough to eat? These talks examine the problems -- and some compelling solutions.

Countdown: Understanding climate change

Meander through Earth's lengthy timeline with these talks that go way, way back to the beginning of everything (as we know it so far, that is).

These women fighting for justice and equality deserve center stage.

Sometimes, when you take a closer look at life it gets a little weird. These talks explore some of the unusual, compelling and extraordinary aspects of the world around us.

Imagine a life living among the stars, traversing the universe, interacting with aliens ...

Head of TED Chris Anderson speaks with fascinating individuals to dig into some of the most provocative and powerful ideas of our time. (Made possible with the support of Lexus.)

A year in reflection of what we learned about our personalities, health, hopes and world as we know it.

Hungry for inspiration but short on time? Watch these snack-sized talks.

The Audacious Project: 2021-22

Your weather report: Clear, sunny skies, mild temperatures and a 100 percent chance of atmospheric TED Talks.

Innovators in transportation show that getting from point A to point B doesn't have to be boring.

We still have a lot to learn about climate change, about why it's happening and what that means. But one thing is clear: It's real, alright. These talks provide a primer on the issue of our times.

Countdown is a global initiative, powered by TED and Future Stewards, to accelerate solutions to the climate crisis. The goal: to build a better future by cutting greenhouse gas emissions in half by 2030 towards reaching net zero by 2050. It was launched October 10, 2020 with the Countdown Global Launch, a virtual event featuring five curated se...