Articles are sorted by date with the most recently published first.
The latest technique for extracting natural gas trumps every other environmental assault.
Portraits of America's most polluted river, bottled and tagged as evidence.
Is free-market environmentalism the solution or the problem?
Ride shotgun with the U.S. Border Patrol and forget what you thought you knew about the men in green.
A disturbing look at the world of auctions and slaughter, where horses are flipped like real estate.
Congress may just be too lazy to take action on the largest problem humans have ever faced.
Science fiction casts its gaze downward, toward the home planet and its sketchy future.
Beneath the shrinking waters of Lake Powell, a massive problem is building.
With added photos and Peter McBride's audio slideshow.
How can crusaders take time out to enjoy the Earth when so few people are out there fighting?
The Maori of New Zealand seek their own renewal in the restoration of a powerful and mysterious creature.
Tracing the roots of environmentalism back to a very unpleasant historical truth.
On the ways in which green building and affordable housing intersect -- or, more often, don't.
We all love it. Everyone says they want it. So we might want to get very clear on what it actually is.
The shocking double life of the dolphin, featuring neuropsychologists, hippies, spies, and extraterrestrials.
Slide show: what lurks above the waterline, as seen from below.
For Orion, nature and environment are a context...
What a new meat ethic could mean for the atmosphere.
Will be published on the website April 1.
Tens of thousands of people are living in another world. Should you, too?
A dark journey into the corrosive and counterintuitive ideology of "too big to fail."
A note to those who still believe that change will come without a fight.
A cautionary tale, inscribed in and along two of Central Asia's most storied rivers. Website exclusive: audio slide show, narrated by the photographer.