Your Compact Fluorescent Lightbulb Problems Solved

A. Like rechargeable batteries, CFLs contain mercury, which can harm the environment if dumped or inciner­ated. Some CFLs now come with postage-paid recycling envelopes, and The Home Depot recently announced that it'll accept any CFL for recycling, no matter where it was purchased. Manufacturers then take those spent bulbs and recapture the mercury inside to make new ones.