Rock star went undercover with Greenpeace to protest Arctic drilling

Smartly designed, salvaged wood doghouse sports a green roof

Seattle artist shoots from trees' points of view

Finnish retreat designed with nature in mind

Kite-like flying wing prototype hits the sky

California wineries are going green. But what to do with all that wastewater?

Stunning photos combine greenery and architectural forms

Economist Jeremy Rifkin makes the case for a decentralized clean energy economy

Subterranean park proposed for Manhattan's Lower East Side

Simple, healthy, delicious. This Japanese veggie soup delivers on all counts