TED Talks

3600+ talks to stir your curiosity

Find just the right one

4:43

Yvonne Aki-Sawyerr

The city planting a million trees in two years

Posted Nov 2020

10:52

Varun Sivaram

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

Posted Nov 2020

7:47

Rebecca Henderson

To save the climate, we have to reimagine capitalism

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

2:33

Stephen Wilkes

24 hours on Earth — in one image

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

7:56

Christiana Figueres

The case for stubborn optimism on climate

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

19:38

Ralph Nader

What it takes to create social change against all odds

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

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

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

7:34

Johan Rockström

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

Posted Oct 2020

9:18

David Lammy

Climate justice can't happen without racial justice

Posted Oct 2020

10:12

Monica Araya

How cities are detoxing transportation

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

4:32

Rahwa Ghirmatzion and Zelalem Adefris

Community-powered solutions to the climate crisis

Posted Oct 2020

3:02

Ernestine Leikeki Sevidzem

A "forest generation" living in harmony with nature

Posted Oct 2020

6:46

Al Gore, Gloria Kasang Bulus, Nana Firman, Ximena Loría and Tim Guinee

Climate change is our reality. Here's how we're taking action

Posted Oct 2020

10:29

Myles Allen

Fossil fuel companies know how to stop global warming. Why don't they?

Posted Oct 2020

7:39

Carlos Moreno

The 15-minute city

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

4:43

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