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

11:05

Bas Sudmeijer

How carbon capture networks could help curb climate change

Posted Jan 2021

4:37

Tom Schuler

How we could make carbon-negative concrete

Posted Jan 2021

10:29

Myles Allen

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

Posted Dec 2020

4:43

Yvonne Aki-Sawyerr

The city planting a million trees in two years

Posted Nov 2020

4:31

Luka Seamus Wright and Imogen Ellen Napper

Which bag should you use?

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

9:16

Mandë Holford

The power of venom — and how it could one day save your life

Posted Oct 2020

5:23

Jean-François Bastin

What if there were 1 trillion more trees?

Posted Oct 2020

12:16

Amanda Little

Climate change is becoming a problem you can taste

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

5:05

Jonathan J. O'Sullivan and Grace E. Cunningham

Which type of milk is best for you?

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

5:48

Ursula von der Leyen

Europe's plan to become the first carbon-neutral continent

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