Thanks for the info Maria, I had heard the compact fluorescent contained some mercury, but indeed by using compact fluorescent, they really offset the overall mercury release to the environment. For those of us who live near the grocery store MOM, they will take your used compact fluorescent as well as batteries! Luisa ><> ><> ><> Luisa Fernanda Robles, PhD. 32 F Ridge Road Greenbelt MD 20770 301 313 0409 http://toolbar.Care2.com Make your computer carbon-neutral (free). http://www.Care2.com Green Living, Human Rights and more - 7 million members!