CFL Lighting, Pros and Cons

July 30th, 2008 by Lisa Stauber

Compact Fluorescent Lamps, or CFLs, are a technological marvel of efficiency. They deliver the same amount of light as regular bulbs but use one-fourth of the energy. Several states are considering outlawing the sale of conventional lightbulbs to encourage consumers to use CFLs exclusively.

The new bulbs easily replace standard incandescent bulbs in most fixtures. They produce less heat, lower electricity bills, and reduce greenhouse gas emissions. What’s not to love?

Well, for starters, the bulbs cost more than incandescent lights. CFLs are cheaper in the long run, as they last for years and can reduce utility bills, but many consumers balk at the high initial price tag.

CFLs also contain a small amount of mercury, prompting concern about accidental breakage in the home. It was reported widely in the media that if a bulb should break, the EPA would get involved to clean up the resulting mess, scaring off potential customers.

Conscientious consumers should also note that many bulbs are manufactured in India and China, countries with lax environmental standards. The level of mercury contamination from the production of CFLs in those countries is unknown.

Environmentalists worry about introducing mercury-laden glass into landfills, where it could leach into the groundwater or become airborne as trash is incinerated. Mercury contamination is difficult to remediate, and mercury poisoning causes serious side effects and developmental delays in children.

CFL bulbs must be disposed of properly through a hazardous waste program or recycling center, and should never simply be thrown in the trash.

This is time consuming and inconvenient, and it’s estimated only 3% of CFLs are disposed properly. Home Depot has stepped up, offering a free, recycling program for consumers.

The new, easy recycling program makes adopting CFLs easy and convenient. The CFLs are here to stay, despite their drawbacks.

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  1. 1

    Yes, CFLs do contain small amounts of mercury – Aaaaarrgggghhh! But let’s keep this in proportion. The mercury is usually in amalgam form (not pure mercury) and is a tiny pellet smaller than the tip of a biro. This is less than the amount of mercury contained in normal dental fillings (silver- mercury amalgam). Compared with the vast amounts of hazardous asbestos laying around, routine exposure to particulates from diesel engines and bacterial risks in from suspect drinking water supplies, it’s a very minor hazard indeed. Talk of clearing rooms, opening windows and wearing rubber gloves just to clear up broken CFL debris is as big an over-reaction as advocating the wearing of chemical warfare isolation suits to clean the bathroom!
    I say let’s keep a practical grip on reality in dealing with the CFL mercury issue, and stop talking up the risks!

    Incidentally, mercury has been used in flourescent strip lighting for years and years, meaning that almost any office, school, public building, airport, station,factory or other place of work could now be regarded as hazardous…..

    Comment made by Dan Bogard on August 1, 2008 @ 2:39 am


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