Why Are Incandescent Light Bulbs Bad For The Environment
I assume you want to know why incandescent bulbs are being phased out of use. Studies show that indirectly the additional energy usage of incandescent bulbs is responsible for more mercury entering the environment than that is contained in a cfl.
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Incandescent light bulbs are largely glass and tungsten.
Why are incandescent light bulbs bad for the environment. All halogen bulbs are incandescent bulbs but not all incandescent bulbs are halogen bulbs. Incandescent light bulbs use electricity to heat a filament to a white hot state producing light. Objections more specifically relating to compact fluorescent light bulbs include the different quality of light produced by phosphor based lamps compared to incandescent lamps and that compact fluorescent light bulbs contain small amounts of mercury a potent neurotoxin which is especially dangerous to children and pregnant women and made more serious by the confined area into which mercury would be dispersed in the event of a breakage indoors.
They don t technically have a lot of ingredients that are overly harmful to the environment on their own merits. They aren t easily broken down but aren t harmful. Environmental lobbying groups have labeled incandescent light bulbs as harmful not only because of the electricity they waste in producing heat but also because of the substantial amounts of carbon dioxide they emit.
In addition the heat they generate pushes cooling systems like air conditioners to work harder especially during the summer. 3 switching from a 100 watt incandescent to an 18 watt led or a 20 watt cfl reduces energy consumption and reduces the need for a coal fired plant. It should also be remembered that each cfl lamp means that 6 10 incandescent bulbs don t need making transporting and disposing off.
An incandescent bulb has a filament that heats up and gives off light. The reason is that they are not efficient at producing light. If you use 20 light bulbs in your home during the life of the energy efficient bulbs you ve reduced the number of light bulbs you throw out from 120 to 20.
Incandescent light bulbs leave a larger overall footprint. Yet 90 percent of the energy used is wasted as heat according to general electric s web site. This makes it a better heat source than light source.
In the process some of the filament evaporates. About 90 of the output of an incandescent bulb is given off as heat non visible infra red light. An energy star light bulb replaces about six incandescent light bulbs because it lasts six times longer than the average light bulb.
In addition a halogen bulb has halogen gas. 90 of the energy consumed by an incandescent bulb creates heat not light. Unlike incandescent bulbs which generate a lot of waste heat leds don t get especially hot and use a much higher percentage of electricity for directly generating light.
Led light is directional allowing users to easily focus the light beam on desired areas.
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