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Threatened by the rise of rooftop solar, Arizona utilities try to pack a state commission with their hand-picked candidates

Sierra's 2016 rankings of the most environmentally sustainable colleges and universities in the United States

2016 is the first presidential election in 50 years during which citizens won't have the full protections of the Voting Rights Act

Fermentation is in, thanks to new research on the benefits of having a healthy gut biome

A roundup of alternatives to single-use plastics

Last May, the tribe stopped a coal terminal from being built on sacred land

Two sisters use social media to draw attention to wastewater lagoons across the street from their house

A mom on vacation sees her kids thrive when they leave the city and head for the hills

Big Coal may be dying, but it's still trying to strangle clean energy in the cradle

Tips for viewing one of summer's greatest natural light shows

The paleontologist from the PBS series Dinosaur Train worries that outdoor playtime is going extinct

Volcanic eruptions attract lightning. Here's what it looks like.

When women are empowered to make decisions about their lives, it's a win-win for people and the planet

A mash-up of a roly-poly, armadillo, and small dinosaur. Why do so many people want to eat it?

In the book Are We Smart Enough to Know How Smart Animals Are?, Frans de Waal argues that our fellow creatures deserve more credit

A lion or buffalo could easily kill you, but not as easily as we're killing them

North Carolina is worried about bathrooms. Toxic coal ash, not so much.

In Door to Door, Edward Humes takes us through the complex system of transportation in the United States