Over a century ago, the Supreme Court ruled that reservations have a right to water. Today, thanks to a unique exchange, the Pima are finally getting their due.

Redesigned turbines are solving the problem that has long plagued hydroelectric dams, churning out green energy while leaving fish unharmed.

An effort that began 70 years ago is poised to propel the country to middle-income status on a wave of green energy.

A lack of available land is the biggest obstacle to solar power’s expansion — or maybe it isn’t.

Tramways were once a staple of European cities. Now, a new generation is enhancing urban life once again.

Political, economic and technological stars are aligning to make a stubbornly carbon-intensive industry sustainable.

A sprawling initiative identifies pollution hotspots so the communities affected by them can act.

In Bath, England, even the smallest investors can support – and profit from – the city’s green energy boom.

Legal magic mushrooms? Tolerance for heroin and meth? It’s not as crazy as it sounds.

The ability to fight with love instead of rage is what makes us human.

It benefits politicians to portray the issue as deeply divisive, but most voters don’t see it that way.

A system for turning “they” into “we.”

How a platform that rewards informed opinion and civil debate is changing our behavior.

Stanford researcher Jan Gerrit Voelkel explains why a more passion-fueled form of partisanship is on the rise – and how it’s reshaping politics.

Amid all the mudslinging is a proven fact: Civility wins the hearts of voters.

By sharing everything from services to accessibility renovations, co-housing strikes a balance between autonomy and affordability.

The coronavirus is creating an explosion of quarantined online performance that is unscripted, unshowered and surprisingly uplifting.