This lodge uses solar power to generate electricity and recycle rainwater, while guests help tend the on-site farm.
Sierra Club Foundation Director Peter Martin lined up among thousands of competitors at the annual Boston Marathon, to run for a cause that’s close to his heart.
Kit DesLauriers on her new book, "Higher Love," and on being the first person to ski all Seven Summits.
The emerald pools and orange blossoms of Wadi Tiwi almost distract climbers from their goal, the area's sheer sandstone pitches.
The odds of you winning one of these lotteries are lower than any other park in America.
Caution to the fainthearted: This rock climbing documentary features swearing, drug use, and counterculture.