More and more countries are tapping powerful ocean winds for electricity

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

Aerial photos of the Ivanpah solar thermal plant by Jamie Stillings

A magnificent, multifunctional green roof in Copenhagen

An epic quest by James Bowthorpe to row the Hudson River from its source to NYC -- in a kayak made of recycled waste

With climate change threatening coastal communities, floating buildings move from science fiction to reality

Zero energy construction trend showing no signs of slowing

Project looks to exploit Asian country's enormous renewable energy potential

A stunning, solar-powered retreat in Colorado's San Luis Valley

Interactive map shows the clean energy jobs of today and tomorrow