"Gardens are not made by singing 'Oh, how beautiful,' and sitting in the shade." — Rudyard Kipling
For a 100 to 150-square-foot room (9-13 sq meter), you'll need two to three full-sized, 12-inch (30 cm) potted plants to keep the air fresh. If you don't have room for that many, place your plants in special "breathing zones" in the home, such as by a desk or near your bed, where you can benefit from their close proximity.<a rel="noreferrer nofollow" target="_blank" href="http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19930073077.pdf">http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19930073077.pdf</a><a rel="noreferrer nofollow" target="_blank" href="http://wolvertonenvironmental.com/MsAcad-93.pdf">http://wolvertonenvironmental.com/MsAcad-93.pdf</a><a rel="noreferrer nofollow" target="_blank" href="https://www.gov.uk/government/collections/chemical-hazards-compendium">https://www.gov.uk/government/collections/chemical-hazards-compendium</a><a rel="noreferrer nofollow" target="_blank" href="https://en.wikipedia.org/wiki/NASA_Clean_Air_Study">https://en.wikipedia.org/wiki/NASA_Clean_Air_Study</a>Air-cleaning plants that are safe for cats and dogs imgur post: <a rel="noreferrer nofollow" target="_blank" href="http://imgur.com/gallery/NFD3y">http://imgur.com/gallery/NFD3y</a>Air-purifying plants that are toxic to cats and dogs: <a rel="noreferrer nofollow" target="_blank" href="http://imgur.com/gallery/6ZPhE">http://imgur.com/gallery/6ZPhE</a>
