Innovation in renewable energy today draws on years of research and experimentation in the quest to displace fossil fuels.
Countries around the globe, unsettled by the troubles at Japan's earthquake-struck reactors, are taking stock of the best ways to meet their energy needs.
Solar, wind, and hydropower could supply the bulk of energy demand by the middle of the century but there are substantial political and technical barriers to that change.
Global energy creation and use computations show existing wind, solar, geothermal, hydrogen, wave, and tidal power could run the world.
The latest energy and climate bill would cap emissions from utilities only, which a research firm says would lead to a major shift away from coal to other fuels.
Weeks after losing its CEO, the biodiesel maker withdraws plans for its public offering.
After delaying its IPO and losing its CEO, the company reduces staff to navigate short-term challenges.
Company intends to generate 50 megawatts of electricity from renewable energy forms for its operations by 2012.
Last year the government of Abu Dhabi made a splash in energy investment circles by anchoring a cleantech fund - one of a number of their initiatives in clean energy in solar, hydrogen, carbon capture, and others.
Company sees a lot of opportunities in renewable energy but says it will take time to make an impact.