Houseplants do wonders for a house: they breathe new life to a room, add a bright pop of color, and purify the air. Not all plants are equally effective, however, when it comes to filtering harmful air-borne toxins and pollutants. NASA conducted a Clean Air Study to identify the best air-filtering indoor plants, all of which commonly found at local flower shops, to help guide us in our purchasing decisions.
This feature originally appeared in Inhabitat.
