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Compact Fluorescent Lamps (CFLs) - Carbon Footprint


Science & Tech  (tags: concept, design, energy, environment, humans, investigation, NewTechnology, research, society, technology, world )

Frans
- 806 days ago - carbonfootprint360.com
Never before have so many people had so much power to do something as simple as changing a light bulb to save money and fight global warming simultaneously!.....true ????



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Comments

David F. (14)
Tuesday May 13, 2014, 3:32 am
what about the mercury - footprint ? And the carbon-footprint of the increased by the health-care costs of incresed Hg.... ? ARE they figured in ?
==
> fight global warming simultaneously!.....true ????
cosmeticist BS, mostly

 

Nancy C. (813)
Tuesday May 13, 2014, 3:37 am
I spent more money for the new led's which don't contain mercury. These were spotlight size for a dimmer and have 25000 hrs of use! TY Franz!
 

David F. (14)
Tuesday May 13, 2014, 3:41 am
> incandescent lamps are usually manufactured to have a lifespan of 750 hours or 1,000 hours.
.. usually, in our $ick $y$tem which thrives on PLANNED OBSOLESCENCE, that is.

see also: Light fantastic:
World's oldest lightbulb still burning bright after 109 years [in 2011], and still shining: centennialbulbwebcam
 

David F. (14)
Tuesday May 13, 2014, 3:45 am
> ... new led's ...have 25000 hrs of use!
- that's "25000 hrs" printed on the package or in Reality ?

For --as i can tell and ascertain by my own observations and notes-- CFLs don't even come near half the usage-hours claimed on the package. NOR do they live up to the light-output claimed (judged by the eyes of exactly every last one i asked AND measured with the light-meter of my good ol' Zeiss-Ikon-Voigtländer camera)
 

Evelyn B. (62)
Tuesday May 13, 2014, 3:48 am
This appears to be an old article (refers to 2009 & 2011 in future tense!!)
Also - seems to have vested interest in CFLs, but no discussion of more recent developments in LEDs etc
 

David F. (14)
Tuesday May 13, 2014, 3:48 am
> CFL light quality now rivals traditional light bulbs in many applications
sorry, but NO CFL i've seen so far comes close to traditional light bulbs for what i need them (e.g. for reading), not even when i use a "60 W - equivalent"(according to package) instaed of a 40 W incandescent

 

David F. (14)
Tuesday May 13, 2014, 3:54 am
> Reduces Fire Hazards
- Yep, they do. They are also a lot more fragile ...

ceterum censeo: if the ramming-them-down-consumers'-throats had really have been motivated by environmental concerns, there would have had to be enforced a strict system of deposits + "recycling" ((like e.g. what we did have here, in .at, for nearly-all bottles, decades ago, well-working then (every shop which sold taking back, unbureaucratically, no need for invoice or such), utterly destroyed by now))

 

natasha on holidays (710)
Tuesday May 13, 2014, 4:05 am
I'd love to the price drop 4 these bulbs! Thx Frans
 

Alexandra G. (254)
Tuesday May 13, 2014, 9:25 am
interesting, thanks Frans
 

Roger Garin-michaud (150)
Tuesday May 13, 2014, 1:15 pm
noted, thanks
 

Melania Padilla (197)
Tuesday May 13, 2014, 2:07 pm
Thanks, very informative
 

Bob P. (407)
Tuesday May 13, 2014, 2:32 pm
Thanks Frans
 

Bruce C D. (89)
Tuesday May 13, 2014, 5:54 pm
I agree with Evelyn. I think the intent is good here, but there wasn't any more updated information available about all options, including LED light?

I don't necessarily agree with David F. The newer CFL's are actually quite serviceable. Where I want more light, I use a higher wattage--so instead of a 60w or 75w, I might use the 100w equivalent. You can do this in most fixtures rated for a less wattage because a CFL doesn't produce the heat of an incandescent. For the most part, though, I don't find this necessary. I didn't care much for them when they first came out because of the harsh light, but with the warmer spectrums of light now offered, I now only use incandescent bulbs for non-standard uses where CFL or LED replacements are not offered. I will switch over to more LED when they also produce warmer tones. I do love my rechargeable LED flashlights, as they can be quite bright and compact while possessing much greater endurance--both for the battery life and the bulb life.
 

Helen Porter (39)
Wednesday May 14, 2014, 3:04 pm
Let there be light and there was light.
 
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