Energy

A collage featuring Toshiba's prototype cobalt-free battery and a close-up of cobalt.
Batteries
Toshiba unveils new fast-charging, cobalt-free battery
Toshiba has developed a new kind of cobalt-free battery that could lead to cheaper, more sustainable EVs in the future.
Kristin Houser
An artist's rendering of a Natrium nuclear power plant
Clean Energy
How TerraPower is leading the nuclear renaissance
Bill Gates’ TerraPower startup is building a next-generation nuclear power plant that could revive the declining industry.
Kristin Houser
A stack of wood blocks made by Graphyte.
Climate Crisis
How these wooden blocks could stop climate change
Bill Gates-backed startup Graphyte has unveiled Carbon Casting, carbon removal tech it says is cheap, scalable, and durable.
Kristin Houser
Sustainability
The edible six pack ring that's saving marine animals
Hacking
“Cybersecurity for plants” can stop germs from hacking our food supply
John Herlihy
Climate Crisis
The cost of sucking carbon out of the air just fell by 85%
Daniel Bier
Climate Crisis
Organic solar is (finally) efficient enough to compete
Daniel Bier
Sustainability
Three reasons we don't have more nuclear power in the US
Freethink Team
Disaster Response
Why don't we believe extreme weather forecasts?
Mike Riggs
Food
Could ugly produce change the world?
Activism
The fascinating story of how AIDS activism helped usher in a "Right to Try" laws
Scott Shackford