At a Home Show we attended, a vendor was giving away free light bulbs. I wondered if they also gave directions on their proper disposal so I asked, "what do you do with them when they need to be replaced?" Recently, I realized the problem is even more profound: "what do you do with them when they break?"
CFLs are more efficient than incandescent lamps. Less energy is needed to light an area with the CFL lamp than an incandescent bulb. CFLs cost more and last up to 8 times longer than the light bulbs of the past. But what do you do with the "spent" or broken CFL bulb?
"Actions You Can Take to Prevent Broken Compact Fluorescent Light Bulbs". EPA site
Study Suggests LEDs May not be so Eco-Friendly
Article from Electrical Contractor, (4.11 issue)
"According to researchers in California, the efficient LEDs are not so safe after all." The article continues by stating that "LEDs contain lead, arsenic and a dozen other potentially hazardous substances." Many of the elements in the manufacture of LEDs have been linked to cancer and other ailments. More of this article