Elimate Unwanted Odors with Nature's Air Sponge Non-toxic, Biodegradable & Environmentally Friendly!. Nature's Air Sponge is a technological breakthrough in the world of odor elimination and odor control to enhance air quality. Nature's Air Sponge is an environmentally safe product that eliminates virtually all odors and pollutants from the indoor air in your home, office, car, RV or boat, as well as lingering effects in clothing, curtains, drapes, carpets and upholstery.