How to Create Thermal Images for Millions of Homes
Two startups combine Google Street View method with infrared imaging to show homeowners where energy is being wasted.
Energy
Obama Stumps for Energy Research Through Trust Fund
President pushes proposal to fund R&D with money from oil and gas leases on federal lands.
Reining in Geoengineering Researchers
A Science article suggests a framework for monitoring research on how to cool the earth.
Global Night Light Patterns Reveal Economic Shift to the East
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
Cellulosic Ethanol Inches Forward
The technology for making fuel from wood chips and grass is late, but still on the way.
Can We Really Run the World on 100% Renewables?
Some studies suggest we can easily drop nuclear and fossil fuels, but they raise serious questions.
An App Store for Home Lighting
Philips invites developers to write apps for its Hue wireless LED light bulbs.
How to Choose an LED Light Bulb
There are now many general-purpose consumer LED bulbs that give off good light. With so many, how can you tell the difference?
Seven Next-Generation Energy Technologies Showcased by ARPA-E
Companies showed off their latest clean energy innovations at the ARPA-E Summit.
Why Environmentalists Oppose One of the Best Ways to Cut Carbon Emissions
Humans may be wired to respond more to immediate issues like fracking than longer term ones like global warming.
