An easy first step for reducing your energy use is replacing your conventional lightbulbs with compact fluorescents. You’ve probably heard that before, but have you done it? Fluorescent bulbs do contain a small amount of mercury, so if you accidentally break one, it would be wise to open your windows; and when you clean up the glass, don’t use your bare hands. The mercury levels are low enough that the last traces will vaporize in a matter of hours.
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