CFL bulbs
There is trouble with Energy efficient CFL bulbs and some brands are worst than others. The mercury contained in them is a hidden hazard. Here is a blog entry that describes the advantage and drawbacks of the bulbs and the false and true statements about them. http://freestudents.blogspot.com/2007/04/annoyance-of-energy-efficient-lighbulbs.html
A housewife in Prospect, Maine purchased these mercury bulbs that are now the Green fashion. She thought it would save her money, which is what was promised. But as the local paper puts it, she “is paying much more than she had ever expected to.”