Common indoor plants may provide a valuable weapon in the fight against rising levels of indoor air pollution. Those plants in your office or home are not only decorative, but NASA scientists are finding them to be surprisingly useful.They have been found to absorb potentially harmful gases and clean the air inside buildings."If they're looking for an air purifying plant all house plants have some qualities. Spider plants, Peace Lillies are two of the plants that remove toxins. They don't only convert the Carbon Dioxide to Oxygen, they do that, but also remove some of the toxins," says Tallahassee Nurseries'...