Detoxification
Plants as air purifiers
Nature's most efficient environmental air cleaner
Rather astoundingly, living indoor plants not only have a well-established beneficial psychological effect on humans[1], they also clean chemicals and other harmful pollutants from the air.
Studies by the National Aeronautics and Space Administration (NASA) (Dr. William Wolverton at wolvertonenvironmental.com) prove that tropical plants not only beautify indoor environments, they make them healthier to live in. NASA studied the benefits of plants for use in future space stations and closed environments.
Properly designed indoor planting can provide an inexpensive, refreshingly low-tech means of removing pollutants from the air in offices and homes.
Indoor air is polluted from the various fibers (carpet, fabrics, wall coverings) and solvents (wallboard, paints, varnishes, furniture) we use to build and decorate our homes and offices. Two potted plants per 100 square feet of floor space will help to clean and refresh the air in the average home or office.
Virtually every tropical indoor plant and many flowering plants are powerful removers of indoor air pollutants. Below is a chart of the plants in the NASA study that most effectively removed pollutants from the air.
|
Pollutant |
Source |
Solutions |
|
Formaldehyde |
foam insulation |
Azalea |
|
Benzene |
tobacco smoke |
English ivy |
|
Trichloroethylene |
dry cleaning |
Gerbera daisy |
Dr. Wolverton has written several books, among them "How To Grow Fresh Air — 50 Houseplants that Purify Your Home or Office". His eco-house uses plants to clean his water waste as well as the air.
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Footnotes
1 In fact, according to bestselling author Doreen Virtue, broad-leaved varieties actually work to absorb negative thought and feeling energies from humans when placed in close proximity, such as during sleep. For the healing power of plants, also see Forest bathing.
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