Also: Japan to bring back solar subsidies; boat race in the Netherlands; more bad news for ethanol makers; solar textiles; call for geo-engineering research.
A prototype bulb has an efficiency, as measured by lumens per watt, that is more than double commercial CFLs and LED bulbs available today.
There's more diversity coming to home lighting as efficient general-use LED bulbs become available, giving people an alternative to incandescent bulbs and CFLs.
This new bulb sounds interesting, but we see some glaring problems with the company's approach.
A bright idea from University of Rochester researchers promises more efficiency from standard bulbs and may offer renewed competition with CFLs.
Sylvania says it only needs to put about one-third of the mercury in its fanciest CFLs.
Originally designed to meet efficiency and color quality standards specific to California, the TW Series LEDs will now be sold throughout the US.
Got a shattered CFL on your hands? Worried about mercury? Don't panic -- we'll show you how to clean it up safely and dispose of it responsibly.
Six out of 10 consumers are unaware that the most commonly used light bulbs are about to disappear from store shelves.
With strict new standards, the landscape of lighting is rapidly changing. Here's everything you'll need to know to keep up.