Believe it or not, the air indoors can be more polluted than the air outside. The solution? Keeping indoor plants that filter the volatile organic compounds (VOCs) in your home and office.
"Indoor ozone", as it is formally called, is created by, "copy machines, laser printers, ultraviolet lights, and some electrostatic air purification systems, all of which contribute to increased indoor ozone levels," states Science Daily.
This article appears in May 19-25, 2011.