It's time to get bright with no less than the new world's most energy-efficient warm white LED lamp from Philips! This world record has been beaten with a massively fabulous 200 lumens per watt of ...

Practically everyone knows that LED and fluorescent light bulbs are better than inefficient incandescents, but many consumers just can’t resist the familiar shape and soft, warm glow. Philips plans on ...

Part of our work here at Grist is to give advice to curious readers, and one thing we find ourselves saying a lot is, “Change those bulbs to CFLs!” But you can only socket to ’em so many times before ...