Just enter yorur zip code and find the most convenient authorized return locations near you to recycle your bulbs.
www.recycleabulb.com
or
www.earth911.com
CFLs contain a small amount of mercury, which is toxic and tough to get out of the environment. CFL bulbs don’t belong in your regular trash when they finally burn out. Your local municipality (city, county, or parish) is ultimately responsible for waste disposal.