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17:58

Christiane Amanpour

How to seek truth in the era of fake news

Posted Oct 2017
19:48

Sandi Toksvig

A political party for women's equality

Posted Nov 2016
1h 0m

Yuval Noah Harari

Nationalism vs. globalism: the new political divide

Posted Feb 2017
12:25

Lee Smolin

Science and democracy

Posted Nov 2008
15:41

Larry Brilliant

A global pandemic calls for global solutions

Posted Apr 2020
23:06

Sam Harris

Science can answer moral questions

Posted Mar 2010
18:17

Rick Falkvinge

I am a pirate

Posted Apr 2012
19:05

Bruce Bueno de Mesquita

A prediction for the future of Iran

Posted Apr 2009
14:08

Max Rashbrooke

3 ways to upgrade democracy for the 21st century

Posted Jan 2021
18:00

David Rothkopf

How fear drives American politics

Posted Sep 2015
17:22

Alexander Betts

Why Brexit happened — and what to do next

Posted Jul 2016
29:51

Christiane Amanpour

The fight for freedom in Iran and Ukraine

Posted Nov 2022
9:49

Luisa Neubauer

The fairy tales of the fossil fuel industry — and a better climate story

Posted Jan 2023
12:58

Charles C. Mann

How will we survive when the population hits 10 billion?

Posted Oct 2018
32:47

Timothy Snyder

Is democracy doomed? The global fight for our future

Posted Feb 2023
19:22

James Balog

Time-lapse proof of extreme ice loss

Posted Sep 2009
4:34

Soraya Field Fiorio

The infamous overpopulation bet: Simon vs. Ehrlich

Posted Aug 2021
17:11

Katharine Hayhoe

The most important thing you can do to fight climate change: talk about it

Posted Dec 2018
23:09

Bruce Aylward

How we'll stop polio for good

Posted May 2011
34:50

TED Countdown

How do we get the world off fossil fuels quickly and fairly?

Posted Mar 2023
16:17

Al Gore

Averting the climate crisis

Posted Jun 2006
56:45

Al Gore

The new urgency of climate change

Posted Jun 2020
1h 2m

Seth Berkley

The quest for the coronavirus vaccine

Posted Mar 2020
22:12

Jim Yong Kim

Doesn't everyone deserve a chance at a good life?

Posted Jun 2017
12:27

Julia Bacha

How women wage conflict without violence

Posted Aug 2016
20:06

George Papandreou

Imagine a European democracy without borders

Posted Jun 2013
15:03

Sinan Aral

How we can protect truth in the age of misinformation

Posted Dec 2019
14:25

Henrietta Fore

How we can help young people build a better future

Posted Oct 2018
17:26

Ethan Nadelmann

Why we need to end the War on Drugs

Posted Nov 2014
16:15

Jamais Cascio

Tools for a better world

Posted Jan 2009
15:53

Kate Raworth

A healthy economy should be designed to thrive, not grow

Posted May 2018
10:08

Mainak Mazumdar

How bad data keeps us from good AI

Posted Jan 2021
11:27

Angélica Dass

The beauty of human skin in every color

Posted Mar 2016
14:40

Kwame Anthony Appiah

Is religion good or bad? (This is a trick question)

Posted Jun 2014
18:53

Parag Khanna

Mapping the future of countries

Posted Sep 2009
16:56

Hugh Evans

What does it mean to be a citizen of the world?

Posted Apr 2016