Replacing your incandescent light bulbs with compact fluorescent light (CFLs) bulbs makes a lot of sense, both financially and environmentally. Each CFL bulb will save you about $30 over the life of the bulb. CFL light bulbs last 10 times longer than incandescent light bulbs, use 2/3 less energy, and give off 70% less heat. Don’t make the mistake of waiting for your incandescent bulbs to burn out before replacing them. You’ll be wasting money and energy if you do.
Some people oppose CFLs since they contain mercury. They shouldn’t. Being concerned about mercury is good, but CFLs only contain a small amount of mercury. More mercury is actually created by using incandescent light bulbs since they use more electricity. The coal mining from producing the extra electricity actually created far more mercury than the amount in the CFL bulb. The CFL bulb is clearly the better green choice.
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