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Cracking Down On Bulb Disposal
Each compact fluorescent light bulb has a small amount of mercury in it (Source: Yann at Wikimedia Commons)
Old incandescent light bulbs are getting pushed out of the way by the more efficient compact fluorescent light bulbs. But the bulbs contain a small amount of a toxic chemical. Mark Brush reports, that has some regulators concerned:
A story on how to clean up your CFLs
Letterman's public service announcement
Producer: Mark Brush
Release Date: June 22, 2009
Running Time: :52