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4:02

Peter Paccone

Why is the US Constitution so hard to amend?

Posted May 2016
12:52

Michael Metcalfe

A provocative way to finance the fight against climate change

Posted Apr 2016
14:51

Christiana Figueres

The inside story of the Paris climate agreement

Posted Apr 2016
16:56

Hugh Evans

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

Posted Apr 2016
7:49

Robert Palmer

The Panama Papers exposed a huge global problem. What's next?

Posted Apr 2016
20:34

Parag Khanna

How megacities are changing the map of the world

Posted Apr 2016
15:15

Haley Van Dyck

How a start-up in the White House is changing business as usual

Posted Apr 2016
13:38

Dan Gross

Why gun violence can't be our new normal

Posted Mar 2016
14:22

Siyanda Mohutsiwa

How young Africans found a voice on Twitter

Posted Mar 2016
14:14

Arthur Brooks

A conservative's plea: Let's work together

Posted Mar 2016
18:54

Tshering Tobgay

This country isn't just carbon neutral — it's carbon negative

Posted Mar 2016
18:09

Alexander Betts

Our refugee system is failing. Here's how we can fix it

Posted Mar 2016
13:49

Mary Bassett

Why your doctor should care about social justice

Posted Feb 2016
14:04

Dambisa Moyo

Economic growth has stalled. Let's fix it

Posted Feb 2016
18:05

Tania Simoncelli

Should you be able to patent a human gene?

Posted Jan 2016
19:51

Yanis Varoufakis

Capitalism will eat democracy — unless we speak up

Posted Jan 2016
4:04

Mark Liddell

How statistics can be misleading

Posted Jan 2016
13:34

Wael Ghonim

Let's design social media that drives real change

Posted Jan 2016
9:28

Rodrigo Bijou

Governments don't understand cyber warfare. We need hackers

Posted Dec 2015
19:54

António Guterres

Refugees have the right to be protected

Posted Dec 2015
15:45

Jessica Shortall

The US needs paid family leave — for the sake of its future

Posted Dec 2015
19:15

Melissa Fleming

A boat carrying 500 refugees sunk at sea. The story of two survivors

Posted Nov 2015
12:56

Mathias Jud

Art that lets you talk back to NSA spies

Posted Oct 2015
18:00

David Rothkopf

How fear drives American politics

Posted Sep 2015
11:33

Douglas Beal

An alternative to GDP that factors in our wellbeing

Posted Sep 2015
6:16

Christopher Soghoian

How to avoid surveillance ... with the phone in your pocket

Posted Aug 2015
9:22

Trevor Aaronson

How this FBI strategy is actually creating US-based terrorists

Posted Jun 2015
18:18

Roman Mars

Why city flags may be the worst-designed thing you've never noticed

Posted May 2015
4:01

Prateek Singh

What causes economic bubbles?

Posted May 2015
16:01

Severine Autesserre

To solve mass violence, look to locals

Posted Jan 2015
9:54

Julia Kloiber

Let's build better digital tools for our cities!

Posted Dec 2014
20:37

Glenn Greenwald

Why privacy matters

Posted Oct 2014
13:24

Pia Mancini

How to upgrade democracy for the Internet era

Posted Oct 2014
19:34

Hubertus Knabe

The dark secrets of a surveillance state

Posted Aug 2014
17:54

Simon Anholt

Which country does the most good for the world?

Posted Jul 2014
13:44

Lawrence Lessig

The unstoppable walk to political reform

Posted Apr 2014