'mercury' entries

Switching to compact fluorescent lightbulbs (CFLs) is one of the single most effective steps you can take to reduce carbon dioxide emissions and save money at the same time. Yet CFLs contain a small amount of mercury, a highly toxic element. Do CFLs increase the amount of mercury in the environment?

CFLs, those squiggly, energy-efficient, global warming-fighters are occasionally criticized for the mercury they contain. Here’s the scoop: CFL’s actually reduce the amount of mercury that ends up in the environment.