TED Talks

3800+ talks to stir your curiosity

Find just the right one

15:06

Jamie C. Beard

The untapped energy source that could power the planet

Posted Sep 2021

5:32

Climate Action Tracker

The state of the climate crisis in 2021

Posted Sep 2021

11:51

Ma Jun

An interactive map to track (and end) pollution in China

Posted Aug 2021

12:31

Nigel Topping

3 rules for a zero-carbon world

Posted Jul 2021

8:26

Alok Sharma

Why COP26 is our best chance for a greener future

Posted Jul 2021

5:16

Kathy Hannun

How to heat your home without hurting the planet

Posted Jun 2021

6:15

Angel Hsu

Cities are driving climate change. Here's how they can fix it

Posted Apr 2021

48:21

Bill Gates

The innovations we need to avoid a climate disaster

Posted Mar 2021

11:07

Emily Leproust

How synthetic biology can improve our health, food and materials

Posted Mar 2021

38:05

John Kerry and Al Gore

The US is back in the Paris Agreement. What's next?

Posted Feb 2021

13:02

His Holiness Pope Francis

Our moral imperative to act on climate change — and 3 steps we can take (English voiceover)

Posted Jan 2021

13:02

Su Santidad el Papa Francisco

Nuestro imperativo moral para actuar sobre el cambio climático — y 3 pasos que podemos dar

Posted Jan 2021

9:29

Achim Steiner

Humanity's planet-shaping powers — and what they mean for the future

Posted Jan 2021

10:52

Varun Sivaram

How India could pull off the world's most ambitious energy transition

Posted Nov 2020

6:37

Rose M. Mutiso

The energy Africa needs to develop — and fight climate change

Posted Nov 2020

5:20

Sophie Howe

Lessons on leaving the world better than you found it

Posted Nov 2020

6:33

Miao Wang, Alok Sharma and Nigel Topping

The race to net-zero emissions by 2050 is on. Can we count you in?

Posted Oct 2020

20:30

John Doerr and Hal Harvey

How to decarbonize the grid and electrify everything

Posted Oct 2020

7:01

Roman Krznaric

How to be a good ancestor

Posted Oct 2020

5:54

Lisa Jackson and Liz Ogbu

Apple's promise to be carbon neutral by 2030

Posted Oct 2020

5:27

Dave Clark and Kara Hurst

Amazon's climate pledge to be net-zero by 2040

Posted Oct 2020

5:17

António Guterres

The race to a zero-emission world starts now

Posted Oct 2020

1h 4m

Hosted by Chris Hemsworth and Priyanka Chopra Jonas

Countdown Session 5: Action (Full session)

Posted Oct 2020

1h 7m

Hosted by Prajakta Koli and Hannah Stocking

Countdown Session 4: Transformation (Full session)

Posted Oct 2020

1h 7m

Hosted by Jane Fonda and Xiye Bastida

Countdown Session 3: Transformation (Full session)

Posted Oct 2020

1h 9m

Hosted by Al Gore and Jaden Smith

Countdown Session 2: Leadership (Full session)

Posted Oct 2020

1h 8m

Hosted by Mark Ruffalo and Don Cheadle

Countdown Session 1: Urgency (Full session)

Posted Oct 2020

7:13

Prince William

This decade calls for Earthshots to repair our planet

Posted Oct 2020

12:42

His Holiness Pope Francis

Our moral imperative to act on climate change — and 3 steps we can take

Posted Oct 2020

4:30

Climate Action Tracker

The state of the climate crisis in 2020

Posted Oct 2020

5:27

Jesper Brodin and Pia Heidenmark Cook

How Ikea is growing its business while shrinking emissions

Posted Oct 2020

11:30

Khulan Batkhuyag

The ancient, earth-friendly wisdom of Mongolian nomads

Posted Sep 2020

56:45

Al Gore

The new urgency of climate change

Posted Jun 2020

40:45

Nigel Topping

We need to green the economy while restarting it

Posted Jun 2020

5:03

Angel Chang

The wildly complex anatomy of a sneaker

Posted Apr 2020

11:21

David Wallace-Wells

How we could change the planet's climate future

Posted Mar 2020