TED Talks

4000+ talks to stir your curiosity

Find just the right one

4:20

TED-Ed

What's the best fuel for your car?

Posted Mar 2021

48:21

Bill Gates

The innovations we need to avoid a climate disaster

Posted Mar 2021

4:26

TED-Ed

How much land does it take to power the world?

Posted Mar 2021

12:50

Knut Ivar Bjørlykhaug

Love, sorrow and the emotions that power climate action

Posted Mar 2021

4:41

TED-Ed

How much electricity does it take to power the world?

Posted Mar 2021

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 Mar 2021

5:06

TED-Ed

The material that could change the world ... for a third time

Posted Mar 2021

12:38

Angela Mahecha Adrar

The people who caused the climate crisis aren't the ones who will fix it

Posted Feb 2021

4:55

TED-Ed

The world's biggest battery looks nothing like a battery

Posted Feb 2021

38:05

John Kerry and Al Gore

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

Posted Feb 2021

4:20

TED-Ed

The "myth" of the boiling frog

Posted Feb 2021

4:32

Rahwa Ghirmatzion and Zelalem Adefris

Community-powered solutions to the climate crisis

Posted Feb 2021

4:26

Karen Scrivener

A concrete idea to reduce carbon emissions

Posted Feb 2021

11:11

Angela Francis

How to get everyone to care about a green economy

Posted Feb 2021

4:28

Nick Caruso and Dani Rabaiotti

The world's most dangerous fart

Posted Feb 2021

7:39

Carlos Moreno

The 15-minute city

Posted Jan 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

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