Author B.C. Wolverton originally began his research to investigate creating a breathable environment for a NASA lunar habitat. What came of that research was the discovery that houseplants are the most efficient filters of common pollutants such as ammonia, formaldehyde and benzene. (See our list of the top plants for cleaning the air).
Recently, municipalities around the world have begun to use chloramine (a mixture of chlorine and ammonia) to disinfect water. This is done to reduce free chlorine’s ability to combine with organic matter in the water thereby producing potentially harmful trihalomethanes, or THMs. Because chloramine has less disinfecting ability than free chlorine, a higher concentration of… [Continue Reading]