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The air within our homes is significantly more polluted than the environment outside, according to an growing body of scientific evidence. In fact, the U.S. Environmental Protection Agency ranks indoor air pollution-which originates from many conventional building materials and cleaning solvents-as one of the top five threats to public health.
A 1989 NASA study (PDF) unearthed one unlikely candidate for counteracting trace organic pollutants in the air: The common houseplant. Golden pothos and philodendrons, for instance, practically hoover formaldehyde (found commonly in particle board and foam insulation) out of the surrounding air, while flowering plants such as chrysanthemums and gerbera daisies can neutralize benzene, a toxic industrial solvent. Other potted pals with potential are areca palm, corn plant, golden pothos, and Janet Craig. All are easy to grow indoors, require little light, and are hardworking air scrubbers.
Difficulty level: Easy
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