What are the environmental beenfits of CFL's?

They use less energy but what else? How is consuming more energy saving the environment? (speech for school, need sources :) )

Answer:
CFL Facts:

* Over its life span, the average CFL prevents over 800 pounds of Carbon Dioxide and almost 20 pounds of Sulfur dioxide from being produced and released into the atmosphere.

* One CFL can avoid nearly 500 pounds of coal from being burned.

* If every child in America was able to change one light bulb to a CFL, we would save 30 billion pounds of greenhouse gas emissions from entering the atmosphere.

* The average life span of one CFL is greater than the life span of nine incandescent lights. That means less garbage in landfills.

* If every American home replaced their five most frequently used lights with equivalent CFLs, each home would save more than $60 a year in energy costs, and together we’d save about $6.5 billion each year in energy costs and prevent greenhouse gases equivalent to the emissions from more than 8 million cars from being produced and released into the atmosphere.
go with oleds and leds
I'm going to assume that you mistyped your question. Consuming LESS energy, as CFL's do, is good for the environment. Electricity is produced by and large, by burning fossil fuels, including particularly "dirty" fuels such as coal. Reducing electricity consumption translates into reduced fuel consumption, and fewer greenhouse gasses being released into the environment.

If you really wan to properly delve into this subject--and you need to do the research here--look at the total environmental "footprint" on CFLs. Yes, they save electricity. But does their manufacture consume more energy than manufacturing conventional bulbs? What about other environmental impacts, such as the mercury contained in CFLs?

Overall, I suspect that CFLs are a good bargain for the environment--that their advantages outweigh their disadvantages (mercury content). But to truly understand the issue, you need to look at the big picture, not just the energy savings to the end-user alone.
Interesting Article related to our common interests!

Why Ban the Normal Bulb?

The common light bulb or incandescent bulb is an energy guzzler beyond compare. Only 5% of the energy that it consumes ends up as light, the rest is heat. A major emitter of CO 2 is the burning of coal to produce electricity. Any product that wastes energy is therefore a climate killer and hazardous to the earth and its inhabitants. A shockingly energy inefficient product like this needs to be banned. The Compact Flourescent Lamp (CFL) provides the same amount of light at 20% of the power consumed. Replacing all ordinary light bulbs with CFLs, we can reduce India's carbon emissions by 55 Million tonnes annually.

Hope it answers your question!!
Priyank
YOU HAVE TO READ THIS!!

CFLs have several advantages over incandescent light bulbs: they last from 8-10 times longer, use about 75% less energy, and produce 90% less heat while delivering more light per Watt. For example, a 25 Watt CFL provides about 1800 lumens, compared to 1750 lumens from a 100 Watt incandescent lamp.

CFLs have come a long way since their introduction. They provide a flicker-free, soft-white light and come in a variety of styles. The traditional "twist" bulb is the most popular, but if you need a more stylish version, consider the household style. This bulb is similar in design to a standard incandescent bulb but uses significantly less energy. The 3-way CFL is perfect for reading lamps or conversation areas where ambience is a factor. The globe style is designed for bathroom fixtures.

Here's a groovy advantage - CFLs save you money! One 20 Watt CFL (replaces a 75 Watt incandescent bulb) will save you $66 dollars over the life of the bulb (based on $.12 KWH). Replace one 100 Watt incandescent bulb with a 25 Watt CFL and save a whopping $74 dollars over the life of the bulb (hey - that's 21 extra Mocha Latte's).

Not only are CFLs the smart choice - they're hip too. The EPA reports that CFLs are the environmentally responsible choice. Replacing one incandescent light bulb with an energy saving CFL bulb reduced carbon monoxide emission to the atmosphere by 1,000 pounds.

According to the Department of Energy, as a nation we spend about one-quarter of our electricity budget on lighting, or more than $37 billion annually. And while traditional incandescent light bulbs are less expensive to purchase, they are much more expensive to operate. Incandescents aren't such a bright idea after all (sorry - couldn't resist).
CFL bulbs use about 78% less energy and last up to 7 years. The less energy homes use for lighting the less coal powered generators needed, the less green house gas emissions.
They help pollute! :)

Efficiency. Longer life.

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