Researcher and activist Kamal Meattle shows how an arrangement of three common houseplants, used in specific spots in a home or office building, can result in measurably cleaner indoor air. (Recorded at TED U 2009, February 2009, in Long Beach, California. Duration: 04:04.)
Watch Kamal Meattle’s talk from TED U 2009 on TED.com, where you can download this TEDTalk, rate it, comment on it and find other talks and performances from our archive of 400+ TEDTalks — including more tales of invention.
Subscribe to the TED Blog >>