Indoor air pollution is a major problem. According to the Ecological Protection Agency (EPA), air pollution amounts are two to 5 times greater indoors. In a few buildings with a lack of proper ventilation, the inside air may be 100
Indoor air pollution is a major problem. According to the Ecological Protection Agency (EPA), air pollution amounts are two to 5 times greater indoors. In a few buildings with a lack of proper ventilation, the inside air may be 100