There's an old joke about the number of people it takes to change a light bulb. But because the newer energy-efficient kinds contain tiny amounts of mercury, the hard part now may be getting rid of ...
NEW YORK (Reuters) - There's an old joke about the number of people it takes to change a light bulb. But because the newer energy-efficient kinds contain tiny amounts of mercury, the hard part is ...
Compact fluorescent light bulbs will replace their less energy-efficient incandescent counterparts in five years, under a new federal plan. It has many cheering, but at the same time concerned that ...
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