A research program in the 1980′s by NASA to keep air fresh in space stations helped discover the role of house plants on indoor air quality. It is well known that plants absorb carbon dioxide and release oxygen through the photosynthesis process. The research showed that many house plants which require low light, also absorb cigarette smoke, benzene, formaldehyde and trichloroethylene, and lower airborne microbial level.
Engineered wood have become popular for building houses and making home furnishings because they are stronger and often cost less than natural materials. Unfortunately many engineered materials require chemicals, notably formaldehye, as binders and often the chemicals are harmful. Many home products also contain various amounts of chemicals to enhance the manufacturing process and the functionality of the products. Benzene is a very commonly used solvent and is present in many basic items including gasoline, inks, oils, paints, plastics, and rubber. Polybrominated diphenyl ethers (PBDE) are used as fire retardant in furniture. Read more http://greenremodelforum.com/GRF/blog/?p=130
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