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20 March 2009
How to grow your own fresh air: Kamal Meattle on TED.com
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.)
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