Solar and wind accounted for all of our new electricity last month

NRDC President Frances Beinecke on pro sports going green

Ocean Power gets green light on wave energy project off Oregon coast

Green features abound in this five-bedroom, ocean view dream home

Sustainably-powered semi-submarine to be used for climate and ocean research

Global investment in renewable energy powered to record $257 billion in 2011, according to UN report

With bleak European prospects, clean energy companies focus on other markets

New figures from the Energy Information Administration show clean energy growth over the last decade

A solar-powered light installation illuminates the Sumida River

According to a new study, that depends on where you live