Riding from the airport to Iceland's capital, Reykjavik, gives one the sensation of having landed on the moon. Black lava rocks cover the mostly barren landscape, which is articulated by craters, hills and mountains. Other parts of the island are covered by a thin layer of green moss. American astronauts traveled here in the 1960s to practice walking the lunar surface, defining rock types and taking specimens.

I, too, have traveled here on a journey of sorts to a new world, a world that is powered not by oil, coal and other polluting fossil fuels, but one that relies primarily on renewable resources for energy and on hydrogen as an energy carrier, producing electricity with only water and heat as byproducts.

My quest has brought me to the cluttered office of Bragi

Four years ago, the Shaklee Corporation began a ground-breaking partnership with the nonprofit Climate Neutral Network by developing a unique portfolio of carbon-offset projects that delivered both environmental and socioeconomic benefits in the communities they served. By Kelley Kreitz

No one ever said it would be easy to implement a multi-partner recycling operation. But it's worth it. By Dyan M. Neary.

The roof system may be the first line of defense in beating back high energy costs. By David Kozlowski.

In a boon to the U.S. biofuel industry, the Environmental Protection Agency declined to reduce the 9 billion gallons of ethanol that will enter the gasoline supply this year. Opponents worry about the economic and environmental impacts.

Method Products plans to shake up its carbon offset program with a new initiative targeting its supply chain. The company will divert some of the money it spends on carbon offsets to help its suppliers become more energy efficient.

China gets a bad rap for its environmental record, growing greenhouse gas emissions and coal-dependent energy portfolio. But there are glimmers of hope beneath China's smog-choked skies, according to a new report.