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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
9:03
Triona McGrath
How pollution is changing the ocean's chemistry
Posted
May 2017
13:07
Ted Halstead
A climate solution where all sides can win
Posted
May 2017
11:51
Kate Stafford
How human noise affects ocean habitats
Posted
May 2017
17:52
His Holiness Pope Francis
Why the only future worth building includes everyone
Posted
Apr 2017
14:56
Jonathan Marks
In praise of conflict
Posted
Apr 2017
6:01
Ashton Cofer
A plan to recycle the unrecyclable
Posted
Mar 2017
14:10
Jonathan Rossiter
A robot that eats pollution
Posted
Feb 2017
1h 0m
Yuval Noah Harari
Nationalism vs. globalism: the new political divide
Posted
Feb 2017
11:55
Jeanne Gang
Buildings that blend nature and city
Posted
Jan 2017
13:46
Joe Lassiter
We need nuclear power to solve climate change
Posted
Nov 2016
13:58
Michael Shellenberger
How fear of nuclear power is hurting the environment
Posted
Sep 2016
15:52
Monica Araya
A small country with big ideas to get rid of fossil fuels
Posted
Aug 2016
12:21
Molly Winter
The taboo secret to better health
Posted
Aug 2016
15:52
Emma Marris
Nature is everywhere — we just need to learn to see it
Posted
Jul 2016
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