If every household in the U.S. replaced one light bulb with a CFL, it would prevent enough pollution to equal removing one million cars from the road.
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CFLs last about eight times as long as incandescent bulbs. They only need to be replaced every five to six years.
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As of 2009; Thirty percent of all homes in the US own NO CFLs. Sixty four percent of households that own CFLs have five or fewer.
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The amount of mercury in a CFL bulb is very, very small. The mercury in the bulb is in the form of an invisible vapor or a mercury bead. The bead is about the size of the period at the end of this sentence. A mercury fever thermometer has about 100 times more mercury than a CFL bulb.
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Electricity production is the largest source of greenhouse gas emissions in the U.S., and lighting accounts for about 25 percent of American electricity consumption.
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Only 11 percent of available light bulb sockets in US homes have a CFL as of 2009.
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CFLs use one quarter the energy of an incandescent light bulb.
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CFLs provide the same amount of light (lumens) as standard incandescent bulbs, but have lower wattage ratings.
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If every household replaced its most commonly used incandescent light bulbs with CFLs, electricity use for lighting could be cut in half. Doing so would lower our annual carbon dioxide emissions by about 125 billion pounds. This action alone could halt the growth in carbon dioxide emissions from the United States, given recent growth rates.
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By installing CFLs in their most commonly used light fixtures, consumers will do more for the environment and for their own pocketbooks. If more households did this, we could take an important step towards protecting the planet from global warming.
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Standard incandescent bulbs produce light by heating a filament wire until it glows white hot. Incandescent are about 15% efficient at producing light and 85% efficient at producing heat.
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Standard incandescent lamps produce a yellowish light. CFL Bulbs are available in a variety of light colors including warm white (like incandescent), bright white (bluer than incandescent) and full spectrum (like sunlight).
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By using CFLs, the energy saved would actually reduce mercury emissions released from coal-fired power plants.
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CFLs are safe to use. The risk of harm from a broken CFL bulb is very small. These bulbs use a lot less energy than regular light bulbs. Using CFLs cuts down significantly on the amount of mercury put into the air from coal-burning power plants.
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Replacing one incandescent light bulb with an energy saving CFL bulb would reduce carbon monoxide emissions to the atmosphere by 1,000 pounds.
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Bright white and day light CFL bulbs produce a cooler (bluer) light than incandescent lamps. Studies have shown that the human eye can see clearer and with more detail in the bluer light spectrum. Consider whiter CFL bulbs for reading, sewing or any detailed task.
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A CFL (Compact Fluorescent Lamp) bulb is made of glass, a ceramic and metal base, a powder called phosphor, and a small amount of mercury.
Here are some common compact fluorescent bulb shapes
Spiral Lamps
Continuous tube in a spiral shape which has similar outside shape and light casting qualities to a standard incandescent light bulbs. Spiral CFL bulbs are made in several sizes to fit most common fixtures.
Standard Lamps
CFL spiral lamps with a dome cover. Designed to give the appearance of the traditional light bulb. Gas diffuser provides a quality of light similar to the 'soft-white' type of incandescent bulbs.
Globe Lamps
Commonly used in vanity mirrors or open bulb applications. Vanities usually require multiple bulbs, which generate radiant heat. CFLs reduce this heat buildup and save energy. Diffuser provides a soft-white light.
Candelabra
Screw-in torpedo-shape and small-base of this bulb is designed for smaller light fixtures from chandeliers to sconces. To use a smaller candelabra-based bulb in a regular socket, you can use a socket reducer.
Plugin Fluorescent Lamps
These CFLs have more tubing in a smaller area, which generates even more light in a shorter bulb.
Flood Lamps
Designed to be ideal for recessed and track lighting fixtures indoors and outdoors. They provide diffused, soft, white light, and generate less heat than will an incandescent flood or a halogen bulb.
