Shining a light on fluorescent bulbs – Energy-efficient coils booming, but disposal of mercury poses problems. By Alex Johnson, MSNBC: “Compact fluorescent light bulbs, long touted by environmentalists as a more efficient and longer-lasting alternative to the incandescent bulbs that have lighted homes for more than a century, are running into resistance from waste industry officials and some environmental scientists, who warn that the bulbs’ poisonous innards pose a bigger threat to health and the environment than previously thought.”