The New Generation of Hydropower Dams Let Fish Swim Straight Through
Redesigned turbines are solving the problem that has long plagued hydroelectric dams, churning out green energy while leaving fish unharmed.
How Kenya Became the World’s Geothermal Powerhouse
An effort that began 70 years ago is poised to propel the country to middle-income status on a wave of green energy.
Europe’s New Trams Are Reviving a Golden Age of Transit
Tramways were once a staple of European cities. Now, a new generation is enhancing urban life once again.
Inside the Movement to Clean Up the World’s Most Toxic Sites
A sprawling initiative identifies pollution hotspots so the communities affected by them can act.
Oregon’s New Hard Drugs Policy Is Both Radical and Sane
Legal magic mushrooms? Tolerance for heroin and meth? It’s not as crazy as it sounds.
What if Climate Change Isn’t as Polarizing as We Think?
It benefits politicians to portray the issue as deeply divisive, but most voters don’t see it that way.
Building a Kinder, Gentler, Smarter Social Media User
How a platform that rewards informed opinion and civil debate is changing our behavior.
The Nature of Polarization Is Changing
Stanford researcher Jan Gerrit Voelkel explains why a more passion-fueled form of partisanship is on the rise – and how it’s reshaping politics.
Cooperative Housing Is Redefining ‘Home’ for People with Disabilities
By sharing everything from services to accessibility renovations, co-housing strikes a balance between autonomy and affordability.