Don't even try to front: You've been avoiding fluorescent bulbs because you fear flashbacks to the industrial pallor and buzzing tubes of your grade school. But fluorescent bulbs have come a long way, baby.Watch for ones with higher lumens (not watts) for brighter light; read carefully for a color rendering index (CRI) over 80, or cues like "warmer light," to get closer to incandescence while saving $30 in energy costs over the life of each bulb.
Not to mention the benefit to the planet: EnergyStar has dozens of similes to tell you how much less pollution you generate by simply replacing your feverish incandescent bulbs with chill fluorescent ones, but they all add up to a huge benefit for the earth.
Source : Yahoo Green
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Most CFLs today on the market contain less than 5mgs of mercury and there are CFL options out there that contain as little as 1.5mgs of mercury- which can hardly be called a “significant amounts of mercury” considering that many item in your home contain 100s of times more of mercury including your computer. Mercury levels in CFLs can never be “nonexistent” since mercury is a necessary component of a CFL and there is no other known element that is capable of replacing it. But CFLs actually prevent more mercury from entering the environment. According to the Union of Concerned Scientist, “a coal-fired power plant will emit about four times more mercury to keep an incandescent bulb glowing, compared with a CFL of the same light output”.
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