In the late 1980s, NASA and the Associated Landscape Contractors of America studied houseplants as a way to purify the air in space facilities. They found several plants that filter out common volatile organic compounds (VOCs). Lucky for us the plants can also help clean indoor air on Earth, which is typically far more polluted than outdoor air. Other studies have since been published in the Journal of American Society of Horticultural Science further proving the science. Here's our handy of list of the best air-filtering plants. (Plus, at the bottom of this story, you'll find links about plants that are good for the air and also safe for your pets.)
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