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Best air-filtering houseplants, according to NASA
Having good indoor air quality is very important, especially since many of us spend so much time inside. NASA did a study to find out which plants were best to filter the air of the space station, and the agency’s findings are available to all.
Read more original article MNN to see which houseplants are best to filter the air (not only producing oxygen from CO2, but also absorbing benzene, formaldehyde and/or trichloroethylene.)