Carpet cleaning

From About.com: Traditional professional carpet cleaning products contain perchloroethylene and naphthalene, chemicals that may cause neurological, kidney and liver damage. They can also pollute groundwater if not disposed of properly. Eco-friendly alternatives include making your own solution of equal parts white vinegar and water, AFM SafeChoice,Seventh Generation’s Natural Citrus Carpet Cleaner,Bi-O-Kleen, Capture, Simple Green, NatureClean. Zoots and Home Depot’s ChemDry also offer greener options.