Some big retailers are promoting compact fluorescent light bulbs as a way to save energy. But improper disposal of the bulbs creates a hazard, because they contain small amounts of mercury.
Recycling them is about to get easier. Home Depot, the nation's second-largest retailer, will announce on Tuesday that it will take back old compact fluorescents in all 1,973 of its stores in the United States, creating the nation's most widespread recycling program for the bulbs.
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