Elizabeth Hightower

There's a bold new idea on the front edge of conservation: Let's treat people as well as we treat animals.

The next great employment wave? Enviro jobs. Now all I gotta do is land one.

Our official reading list for the bibliophile in chief

MIT's Daniel Nocera has a recipe for taking solar power mainstream. It all starts with a tall glass of water

Carbon offsets are cool, but they don't really make ski resorts eco-friendly. So says the Aspen Skiing Company's Auden Schendler—whether the rest of the ski industry likes it or not.

If you thought the drilling frenzy out west was temporary, think again. But there's a right way to do it, and it's up to the next president to lead the charge.

Going off the grid, one Gatorade-soaked onion at a time

Could a tanking economy be great for the planet?

Ethanol is so 2007. The future of biofuels is all about chocolate, chicken litter, and, yes, algae.

In 2007, green was the new black. A year later, are eco-celebs and enviro wrist-slappers killing the mood?

Patagonia's wild peaks and blue glaciers have long been the ultimate lost frontier. Now an American gone gaucho is carving out an incredible new trekking kingdom in Chile's vast, unspoiled Ays�n region, and adventure's South American dreamscape just got a whole lot bigger.

Our big roundup of supercool North American ski hills serves up 20 rides of your life—and tells you where to kick back in style

Let loose on a carefree horsepacking journey through the Absarokas

And deliver us pronto to these 44 island Edens—if they were any more perfect we'd be in heaven