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

Aerial photos of the Ivanpah solar thermal plant by Jamie Stillings

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

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

Homeowners flock to creative financing deals for solar panels

A solar-powered light installation illuminates the Sumida River

New tech looks to harness consistently powerful winds above deep water

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

A zero-energy stunner nestled in the rolling hills near Carmel, CA

Forget what you heard about clean tech being dead. A new report finds that investment in green technology is booming