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10:01

Heidi M. Sosik

The discoveries awaiting us in the ocean's twilight zone

Posted Jun 2018 Rated Informative, Fascinating
13:27

Aaswath Raman

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

Posted Jun 2018 Rated Informative, Fascinating
15:53

Kate Raworth

A healthy economy should be designed to thrive, not grow

Posted May 2018 Rated Inspiring, Persuasive
18:32

Steven Pinker

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

Posted Apr 2018 Rated Informative, Inspiring
6:51

Danny Hillis

Should we create a solar shade to cool the earth?

Posted Apr 2018 Rated Informative, Ingenious
11:06

Simone Bianco and Tom Zimmerman

The wonderful world of life in a drop of water

Posted Mar 2018 Rated Informative, Fascinating
15:35

Naomi Klein

How shocking events can spark positive change

Posted Mar 2018 Rated Informative, Inspiring
11:11

Dustin Schroeder

How we look kilometers below the Antarctic ice sheet

Posted Mar 2018 Rated Informative, Fascinating
14:14

Naoko Ishii

An economic case for protecting the planet

Posted Jan 2018 Rated Informative, Persuasive
10:48

Bob Inglis

American bipartisan politics can be saved — here's how

Posted Jan 2018 Rated Inspiring, Courageous
11:22

Lana Mazahreh

3 thoughtful ways to conserve water

Posted Jan 2018 Rated Inspiring, Informative
12:57

Christian Benimana

The next generation of African architects and designers

Posted Dec 2017 Rated Inspiring, Informative
15:00

Per Espen Stoknes

How to transform apocalypse fatigue into action on global warming

Posted Nov 2017 Rated Informative, Inspiring
7:41

David Titley

How the military fights climate change

Posted Nov 2017 Rated Informative, Persuasive
17:10

Robert Muggah

The biggest risks facing cities — and some solutions

Posted Nov 2017 Rated Informative, Inspiring
14:11

Paul Hessburg

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

Posted Nov 2017 Rated Informative, Persuasive
8:56

Tim Kruger

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

Posted Oct 2017 Rated Informative, Inspiring
9:02

Kristin Poinar

What's hidden under the Greenland ice sheet?

Posted Oct 2017 Rated Informative, Fascinating
12:05

Benjamin Grant

What it feels like to see Earth from space

Posted Sep 2017 Rated Informative, Inspiring
7:14

Kristen Marhaver

Why I still have hope for coral reefs

Posted Jul 2017 Rated Inspiring, Informative
13:07

Kate Marvel

Can clouds buy us more time to solve climate change?

Posted Jul 2017 Rated Informative, Persuasive
11:08

Liz Hajek

What rivers can tell us about the earth's history

Posted Jul 2017 Rated Informative, Fascinating
14:41

Anab Jain

Why we need to imagine different futures

Posted Jun 2017 Rated Inspiring, Informative
9:03

Triona McGrath

How pollution is changing the ocean's chemistry

Posted May 2017 Rated Informative, Persuasive
13:07

Ted Halstead

A climate solution where all sides can win

Posted May 2017 Rated Ingenious, Informative
11:51

Kate Stafford

How human noise affects ocean habitats

Posted May 2017 Rated Informative, Fascinating
17:52

His Holiness Pope Francis

Why the only future worth building includes everyone

Posted Apr 2017 Rated Inspiring, Beautiful
14:56

Jonathan Marks

In praise of conflict

Posted Apr 2017 Rated Informative, Persuasive
6:01

Ashton Cofer

A plan to recycle the unrecyclable

Posted Mar 2017 Rated Inspiring, Ingenious
14:10

Jonathan Rossiter

A robot that eats pollution

Posted Feb 2017 Rated Informative, Fascinating
1h 0m

Yuval Noah Harari and Chris Anderson

Nationalism vs. globalism: the new political divide

Posted Feb 2017 Rated Informative, Fascinating
11:55

Jeanne Gang

Buildings that blend nature and city

Posted Jan 2017 Rated Inspiring, Fascinating
13:46

Joe Lassiter

We need nuclear power to solve climate change

Posted Nov 2016 Rated Informative, Persuasive
13:58

Michael Shellenberger

How fear of nuclear power is hurting the environment

Posted Sep 2016 Rated Informative, Persuasive
15:52

Monica Araya

A small country with big ideas to get rid of fossil fuels

Posted Aug 2016 Rated Inspiring, Informative
12:21

Molly Winter

The taboo secret to better health

Posted Aug 2016 Rated Informative, Inspiring