Two startups combine Google Street View method with infrared imaging to show homeowners where energy is being wasted.
Solar manufacturers like Suntech are struggling. Hundreds need to die for the industry to recover.
Energy-hungry Japan extracts natural gas from deep-sea methane hydrates, but it’s not clear whether the “flammable ice” makes economic and environmental sense.
President pushes proposal to fund R&D with money from oil and gas leases on federal lands.
A Science article suggests a framework for monitoring research on how to cool the earth.
The mean centre of world lighting is moving east at the rate of 60 km per year, according to a new analysis of archived satellite images
A Scottsdale, Arizona-based startup is now selling batteries that promise to be a cheaper alternative for grid backup.
The technology for making fuel from wood chips and grass is late, but still on the way.
Some studies suggest we can easily drop nuclear and fossil fuels, but they raise serious questions.
Fast reactors can shrink nuclear-waste stockpiles, but can designers tame the inherent hazards?