TED Talks

3600+ talks to stir your curiosity

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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

4:43

Climate Action Tracker

The state of the climate crisis

Posted Oct 2020

6:15

Angel Hsu

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

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

13:23

Lucy King

How bees can keep the peace between elephants and humans

Posted Feb 2020

13:29

Markus Mutz

How supply chain transparency can help the planet

Posted Jan 2020

1h 5m

Christiana Figueres and Chris Anderson

How we can turn the tide on climate

Posted Dec 2019

14:15

Jane Fonda

Why I protest for climate justice

Posted Dec 2019

5:39

Ashwin Naidu

The link between fishing cats and mangrove forest conservation

Posted Oct 2019

11:49

Alasdair Harris

How a handful of fishing villages sparked a marine conservation revolution

Posted Oct 2019

13:19

Tina Arrowood

A circular economy for salt that keeps rivers clean

Posted Oct 2019

6:05

Mohammad Modarres

Why you should shop at your local farmers market

Posted Oct 2019

14:00

Tim Flannery

Can seaweed help curb global warming?

Posted Sep 2019