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.

After catching flak from environmentalists and some politicians for potentially weakening vehicle-related carbon dioxide emissions standards, EU lawmakers set aside more time to toughen it proposal. Meanwhile, it gave the green light to new hydrogen rules.

Passenger and cargo traffic for U.S. airlines grew more than 20 percent between 2000 and 2007 while fuel consumption shrank nearly 3 percent, according to a new report.

Dow Jones Indexes launched a series of indexes this week that will give investors exposure to carbon trading and sustainable companies.