https://www.goodreads.com/book/show/308235.How_to_Grow_Fresh...
>In research designed to create a breathable environment for a NASA lunar habitat, noted scientist Dr. B.C. Wolverton discovered that houseplants are the best filters of common pollutants such as ammonia, formaldehyde, and benzene.
https://www.goodreads.com/book/show/308235.How_to_Grow_Fresh...
>In research designed to create a breathable environment for a NASA lunar habitat, noted scientist Dr. B.C. Wolverton discovered that houseplants are the best filters of common pollutants such as ammonia, formaldehyde, and benzene.