Green shock: CFLs more dangerous than first thought by Ed Morrissey
The compact fluorescent lightbulb has plenty of supporters in the environmental movement, even while concerns have grown about their disposal. CFLs contain mercury, and when the glass breaks, it spreads the toxic dust in the area. Boosters had previously dismissed concerns over the issue, but now researches worry about the collective effect their massive disposal will have on landfills once they start failing in large numbers:
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