Sochi organizers say they’re offsetting Olympics-related carbon emissions, but they’re not accounting for everything.
GE's nuclear waste-burning PRISM reactors get a new chance at commercialization.
The sell-off of synthetic biology pioneer LS9 goes to show that making biofuels from genetically engineered microbes has yet to deliver economically.
New approach developed at MIT could generate power from sunlight efficiently and on demand.
Reducing water consumption at solar thermal plants raises costs and decreases power production.
Startup Global Bioenergies uses genetic engineering to avoid one of the costliest steps in biofuel production.
An ingenious solar sticker made with techniques drawn from nanotechnology could turn almost any surface into a source of power.
A low-power, multiroom sensor network watches for drips and runs on a coin-cell battery.
Aquion has started production of a low-cost sodium-ion battery aimed at making renewable energy viable.
New devices address instability caused by high penetration of distributed solar.