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4:49

Darren Croft

Inside the killer whale matriarchy

Posted Dec 2018
12:21

J. Marshall Shepherd

3 kinds of bias that shape your worldview

Posted Dec 2018
4:43

Balsher Singh Sidhu

Are we running out of clean water?

Posted Dec 2018
17:01

Chad Frischmann

100 solutions to reverse global warming

Posted Nov 2018
12:58

Charles C. Mann

How will we survive when the population hits 10 billion?

Posted Oct 2018
12:22

Johan Rockström

5 transformational policies for a prosperous and sustainable world

Posted Oct 2018
4:36

Congrui Jin

What if cracks in concrete could fix themselves?

Posted Oct 2018
5:16

Dan Kwartler

What would happen if every human suddenly disappeared?

Posted Sep 2018
4:07

Ayana Elizabeth Johnson and Jennifer Jacquet

Will the ocean ever run out of fish?

Posted Sep 2018
8:33

Fred Krupp

Let's launch a satellite to track a threatening greenhouse gas

Posted Sep 2018
12:18

Angel Hsu

How China is (and isn't) fighting pollution and climate change

Posted Aug 2018
14:15

Jennifer Wilcox

A new way to remove CO2 from the atmosphere

Posted Jul 2018
16:37

Penny Chisholm

The tiny creature that secretly powers the planet

Posted Jul 2018
10:01

Heidi M. Sosik

The discoveries awaiting us in the ocean's twilight zone

Posted Jun 2018
13:27

Aaswath Raman

How we can turn the cold of outer space into a renewable resource

Posted Jun 2018
15:53

Kate Raworth

A healthy economy should be designed to thrive, not grow

Posted May 2018
18:32

Steven Pinker

Is the world getting better or worse? A look at the numbers

Posted Apr 2018
6:51

Danny Hillis

Should we create a solar shade to cool the earth?

Posted Apr 2018
11:06

Simone Bianco and Tom Zimmerman

The wonderful world of life in a drop of water

Posted Mar 2018
15:35

Naomi Klein

How shocking events can spark positive change

Posted Mar 2018
11:11

Dustin Schroeder

How we look kilometers below the Antarctic ice sheet

Posted Mar 2018
14:14

Naoko Ishii

An economic case for protecting the planet

Posted Jan 2018
10:48

Bob Inglis

American bipartisan politics can be saved — here's how

Posted Jan 2018
11:22

Lana Mazahreh

3 thoughtful ways to conserve water

Posted Jan 2018
12:57

Christian Benimana

The next generation of African architects and designers

Posted Dec 2017
15:00

Per Espen Stoknes

How to transform apocalypse fatigue into action on global warming

Posted Nov 2017
7:41

David Titley

How the military fights climate change

Posted Nov 2017
17:10

Robert Muggah

The biggest risks facing cities — and some solutions

Posted Nov 2017
14:11

Paul Hessburg

Why wildfires have gotten worse — and what we can do about it

Posted Nov 2017
8:56

Tim Kruger

Can we stop climate change by removing CO2 from the air?

Posted Oct 2017
9:02

Kristin Poinar

What's hidden under the Greenland ice sheet?

Posted Oct 2017
12:05

Benjamin Grant

What it feels like to see Earth from space

Posted Sep 2017
7:14

Kristen Marhaver

Why I still have hope for coral reefs

Posted Jul 2017
13:07

Kate Marvel

Can clouds buy us more time to solve climate change?

Posted Jul 2017
11:08

Liz Hajek

What rivers can tell us about the earth's history

Posted Jul 2017
14:41

Anab Jain

Why we need to imagine different futures

Posted Jun 2017