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The Real Cost of Going Green

By Bloomberg Rankings - 2012-04-20T22:39:48Z

Photograph by ULTRA F/Getty Images

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Plant Power

In the late 1980s, NASA and the Associated Landscape Contractors of America found that some plants filter out volatile organic compounds -- chemicals that evaporate and are dangerous to the environment and humans. That could make plants attractive indoor air cleaners.

$14: Aloe vera plants clear formaldehyde and benzene found in cleaners and paints -- ecrater.com
$15: Spider plants get rid of benzene, carbon monoxide -- amazon.com
$8: Snake plants remove formaldehyde, which is in many personal care products -- amazon.com
$13: Chrysanthemums filter out benzene found in glue, paint, plastics and detergents -- springhillnursery.com
$30: Peace lilies remove formaldehyde, benzene and trichloroethylene -- proflowers.com

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