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5:32

David Biello

1816: The year with no summer

Posted May 2023
11:59

Colin Averill

How to harness the ancient partnership between forests and fungi

Posted Jan 2023
5:49

TED-Ed

How do we create a better economy?

Posted Nov 2022
4:26

Henry Richardson

What does the world's largest machine do?

Posted Oct 2022
5:50

TED-Ed

Can the economy grow forever?

Posted Aug 2022
4:39

Lyla Latif

The true cost of gold

Posted Jul 2022
14:05

Marvin Rees

How is your city tackling the climate crisis?

Posted May 2022
8:59

Nat Keohane

A new economic model for protecting tropical forests 

Posted Apr 2022
6:52

Vera Songwe

The African swamp protecting Earth's environment

Posted Mar 2022
8:11

Xiaowei R. Wang

Why entrepreneurship flourishes in the countryside

Posted Mar 2022
13:54

Ozawa Bineshi Albert

Climate action needs new frontline leadership

Posted Feb 2022
11:58

Carlos M. Duarte

The unexpected, underwater plant fighting climate change

Posted Jan 2022
4:44

Rebecca J. Barthelmie and Sara C. Pryor

How do wind turbines work?

Posted Apr 2021
5:18

Alex Gendler

Building the world's largest (and most controversial) power plant

Posted Dec 2020
6:05

Alex Rosenthal

The world's largest organism

Posted Dec 2020
5:35

Jeff Dekofsky

The most colorful gemstones on Earth

Posted Dec 2020
5:05

Stefan Al

What happens if you cut down all of a city's trees?

Posted Apr 2020
11:24

Sam Van Aken

How one tree grows 40 different kinds of fruit

Posted Sep 2019
4:18

Camille Defrenne and Suzanne Simard

The secret language of trees

Posted Jul 2019
4:41

Jean-Baptiste P. Koehl

Why are earthquakes so hard to predict?

Posted Apr 2019
12:54

Noah Wilson-Rich

How you can help save the bees, one hive at a time

Posted Mar 2019
4:26

Valentin Hammoudi

How tall can a tree grow?

Posted Mar 2019
5:03

Anne Gaskett

The sexual deception of orchids

Posted Feb 2019
4:49

Darren Croft

Inside the killer whale matriarchy

Posted Dec 2018
4:43

Balsher Singh Sidhu

Are we running out of clean water?

Posted Dec 2018
4:36

Congrui Jin

What if cracks in concrete could fix themselves?

Posted Oct 2018
4:46

Kim Preshoff

What's a smartphone made of?

Posted Oct 2018
5:16

Dan Kwartler

What would happen if every human suddenly disappeared?

Posted Sep 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
15:53

Kate Raworth

A healthy economy should be designed to thrive, not grow

Posted May 2018
14:14

Naoko Ishii

An economic case for protecting the planet

Posted Jan 2018
8:56

Tim Kruger

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

Posted Oct 2017
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
15:23

Ngozi Okonjo-Iweala

How Africa can keep rising

Posted Aug 2016