Wood-Burning Fireplaces Contribute Up to 33% of Airborn Particulate PollutionThis is a great article highlighting the hazardous and polluting effects of wood-burning fireplaces. Imagine how much cleaner the air would be if everyone had an eco-friendly clean-burning Hearth Cabinet Ventless Fireplace!http://www.ptleader.com/main.asp?SectionID=36&SubSectionID=55&ArticleID=31644