TED Talks

3800+ talks to stir your curiosity

Find just the right one

11:41

John Doerr and Ryan Panchadsaram

An action plan for solving the climate crisis

Posted Nov 2021

11:20

Gavin McCormick

Tracking the whole world's carbon emissions — with satellites and AI

Posted Nov 2021

7:02

Chibeze Ezekiel

A vision for sustainable energy in Africa

Posted Nov 2021

15:46

Al Gore

How to make radical climate action the new normal

Posted Nov 2021

5:52

Countdown

The 55 gigaton challenge

Posted Oct 2021

9:17

Hongqiao Liu

Can China achieve its ambitious climate pledges?

Posted Oct 2021

9:46

Solomon Goldstein-Rose

How much clean electricity do we really need?

Posted Oct 2021

5:06

Dan Kwartler

Why don't we cover the desert with solar panels?

Posted Oct 2021

11:30

Monica Araya

The billion-dollar campaign to electrify transport

Posted Oct 2021

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

5:02

Jean-Baptiste P. Koehl

Iceland's superpowered underground volcanoes

Posted Jul 2021

5:16

Kathy Hannun

How to heat your home without hurting the planet

Posted Jun 2021

4:44

Rebecca J. Barthelmie and Sara C. Pryor

How do wind turbines work?

Posted Apr 2021

4:49

TED-Ed

Why good ideas get trapped in the valley of death — and how to rescue them

Posted Apr 2021

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

4:41

TED-Ed

How much electricity does it take to power the world?

Posted Mar 2021

5:06

TED-Ed

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

Posted Mar 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

11:05

Bas Sudmeijer

How carbon capture networks could help curb climate change

Posted Jan 2021

5:18

Alex Gendler

Building the world's largest (and most controversial) power plant

Posted Dec 2020

10:29

Myles Allen

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

Posted Dec 2020

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

20:30

John Doerr and Hal Harvey

How to decarbonize the grid and electrify everything

Posted Oct 2020

5:19

Fabio Pacucci

Could we harness the power of a black hole?

Posted Oct 2020

10:12

Monica Araya

How cities are detoxing transportation

Posted Oct 2020

4:30

Climate Action Tracker

The state of the climate crisis in 2020

Posted Oct 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

7:27

Skylar Tibbits

A new way to "grow" islands and coastlines

Posted May 2020

11:47

Jennifer Vail

The science of friction — and its surprising impact on our lives

Posted Feb 2020

15:43

Risa Wechsler

The search for dark matter — and what we've found so far

Posted Jan 2020