As our kids (big and small) return back to the hallowed halls of academia, pulling on backpacks and sharpening pencils, the indoor air quality of their learning environment certainly isn’t on their minds. A school both new and old can have harmful indoor air quality that may be affecting your child’s ability to learn as well as their health. Most people know that outdoor air pollution is bad for our health, but in indoor environments, pollutants that affect indoor air quality can be two to five times higher than outdoor levels. Since we all spend nearly 90% of our lives indoors, making sure that the indoor air quality of our schools is beneficial to both our children and their teachers. Poor indoor air quality in school buildings can be caused by many things. Many old schools are plagued by mold growth, which happens when moisture and poor air circulation meet organic materials, like insulation, the grout in bathrooms, or even school books and other paper materials. Mold can be haz...