According to scientific research from NASA and others, plants clean indoor air, stabilize carbon dioxide and create comfortable ambient air humidity. Plants also boost healing, happiness, and productivity. Where We Live: Rooms with plants have fewer pollutants like VOCs (volatile organic compounds) Plants in our homes increase room humidity by 10% Plants remove up to 90% of formaldehyde in a room. Where We Learn: “When plants are around, students are just smarter and pay more