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Compact fluorescent lights (CFLs) use about a quarter of the electricity used by traditional incandescent light bulbs. This reduces energy costs for consumers and eliminates some of the mercury emissions caused by generating electricity. CFLs, however, do contain a small amount of mercury, which has led to questions about their safety. The Natural Defense Resources Council (NRDC) has carefully studied the issue, and has concluded that the use of CFLs actually decreases the amount of mercury released into the environment. As a result, CFLs are the right choice for people concerned about both their health and their energy bills.

last revised 7/27/2011

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