Feature

For big emissions reductions, focus on the folks who buy vehicles by the thousands

You can paddle 500 miles through Ontario's labyrinthine swampland without passing beneath a bridge, touching a road, or seeing another canoeist

Can Yellowstone's signature mammal and the region's ranchers just get along?

Colorado is split. Some want to ban fracking, some want to frack more.

Trevor Thomas went blind at age 36. He responded by hiking 18,000 miles.

If we commit to it, America's electrical grid will be free of fossil fuels by the year 2030. That's only 16 years away—and it's a fix that will last forever. But first we have to kill off some zombies.

In Africa, photographer Nick Brandt assembles an anti-poaching army.

Why five Americans spent more than a month trekking through a jungle to summit an unclimbed peak in Myanmar