TED Talks

3800+ talks to stir your curiosity

Find just the right one

4:01

Zoe Pierrat

Earth's mysterious red glow, explained

Posted Sep 2021

2:22

Susan Graham

A new way to restore Earth's biodiversity — from the air

Posted Sep 2021

14:03

Emma Marris

Are wild animals really "wild"?

Posted Jul 2021

5:16

Kathy Hannun

How to heat your home without hurting the planet

Posted Jun 2021

5:28

Luka Seamus Wright

The sharks that hunt in forests

Posted Jun 2021

4:25

Philip Renaud and Kenneth Kostel

Could you survive the real Twilight Zone?

Posted May 2021

4:44

Rebecca J. Barthelmie and Sara C. Pryor

How do wind turbines work?

Posted Apr 2021

4:57

Justin Schmidt

The world's most painful insect sting

Posted Apr 2021

10:28

Steven Allison

Earth's original inhabitants — and their role in combating climate change

Posted Apr 2021

5:20

Joseph Goffman

Whatever happened to acid rain?

Posted Apr 2021

39:54

Far Flung with Saleem Reshamwala

Mantua Townshi‪p‬

Posted Apr 2021

19:36

Michael Levin

The electrical blueprints that orchestrate life

Posted Mar 2021

11:07

Emily Leproust

How synthetic biology can improve our health, food and materials

Posted Mar 2021

12:50

Knut Ivar Bjørlykhaug

Love, sorrow and the emotions that power climate action

Posted Mar 2021

4:20

TED-Ed

The "myth" of the boiling frog

Posted Feb 2021

5:18

Alex Gendler

Building the world's largest (and most controversial) power plant

Posted Dec 2020

5:35

Jeff Dekofsky

The most colorful gemstones on Earth

Posted Dec 2020

4:43

Yvonne Aki-Sawyerr

The city planting a million trees in two years

Posted Nov 2020

2:33

Stephen Wilkes

24 hours on Earth — in one image

Posted Nov 2020

13:24

Kaeli Swift

What crows teach us about death

Posted Oct 2020

5:23

Jean-François Bastin

What if there were 1 trillion more trees?

Posted Oct 2020

3:31

Andri Snær Magnason

On time and water

Posted Oct 2020

7:01

Roman Krznaric

How to be a good ancestor

Posted Oct 2020

11:24

Thomas Crowther

The global movement to restore nature's biodiversity

Posted Oct 2020

7:06

Severn Cullis-Suzuki

Make your actions on climate reflect your words

Posted Oct 2020

7:34

Johan Rockström

10 years to transform the future of humanity — or destabilize the planet

Posted Oct 2020

7:13

Prince William

This decade calls for Earthshots to repair our planet

Posted Oct 2020

3:02

Ernestine Leikeki Sevidzem

A "forest generation" living in harmony with nature

Posted Oct 2020

3:45

Elif Shafak

If trees could speak

Posted Oct 2020

2:47

Olafur Eliasson

Kids are speaking up for the environment. Let's listen

Posted Oct 2020

4:53

Elyse Cox

Who owns the "wilderness"?

Posted Oct 2020

8:54

Nirupa Rao

An illustrated kingdom of real, fantastical plants

Posted Oct 2020

11:30

Khulan Batkhuyag

The ancient, earth-friendly wisdom of Mongolian nomads

Posted Sep 2020

11:50

Riitta Ikonen and Karoline Hjorth

Nature, folklore and serendipitous photo collaborations

Posted Aug 2020

5:02

R. Saravanan

Is the weather actually becoming more extreme?

Posted Aug 2020

5:56

Ariel Waldman

The invisible life hidden beneath Antarctica's ice

Posted Jul 2020