A light bulb revolution: CFLs and LEDs replace incandescent bulbs
We are witnessing a revolution. Not the political revolution creeping across the Arab world. Not the information revolution playing out in Silicon Valley. A light bulb revolution. As we move away from standard incandescents, however, it’s not entirely clear what we’re moving toward. Several designs — including CFLs and LEDs — meet the federal standards. So which of these is best for the environment?