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2. Do Houseplants Really Purify the Air? An Expert Finally ... - AOL

   www.aol.com/houseplants-really-purify-air-expert...

   The idea of plants having purifying powers comes from the 1989 Clean Air Study conducted by NASA, which found that certain plants removed health-harming pollutants from indoor environments. But ...

3. 12 Houseplants That Will Boost Your Health, According to Experts

   www.aol.com/10-indoor-plants-supercharge-health...

   Spider plants are known to help purify the surrounding air. NASA research examined the leaves, soil, roots and microorganisms of several houseplants and found that plants can act as a natural air ...

4. 20 Air-Purifying Plants for Your Home - AOL

   www.aol.com/20-air-purifying-plants-home...

   These plants will spruce up your home and help to make your space—and you—healthier in a number of ways. The post 20 Air-Purifying Plants for Your Home appeared first on Reader's Digest.

5. NASA Clean Air Study - Wikipedia

   en.wikipedia.org/wiki/NASA_Clean_Air_Study

   Since the release of the initial 1989 study, titled A study of interior landscape plants for indoor air pollution abatement: An Interim Report, [6] further research has been done including a 1993 paper [7] and 1996 book [8] by B. C. Wolverton, the primary researcher on the original NASA study, that listed additional plants and focused on the removal of specific chemicals.

6. Dracaena trifasciata - Wikipedia

   en.wikipedia.org/wiki/Dracaena_trifasciata

   The NASA Clean Air Study found D. trifasciata has the potential to filter indoor air, removing four of the five main toxins involved in the effects of sick building syndrome. [9] However, its rate of filtration is too slow for practical indoor use. [10] It can be propagated by cuttings or by dividing the rhizome.

7. Houseplant - Wikipedia

   en.wikipedia.org/wiki/Houseplant

   The 1989 NASA Clean Air Study was set up to research ways to clean the air in sealed environments such as space stations. [44] This included an early study on the ability of potted plants to remove VOCs, which concluded that plants, specifically a combination of their roots and the soil microorganisms, were highly effective.