In 2012, the CDC’s annual assessment of schools discussed green cleaning for the first time ever. “Children are more vulnerable than adults to hazardous environmental exposures because, compared to adults, they breathe more air, eat more food, and drink more water per pound of body weight,” the report states. “A school that…[is] free of hazardous chemicals, and clean is arguably best equipped to support student and teacher health, learning, and overall productivity.” And while most of this is good news—more than 36% of districts now purchase low-VOC paints, cleaners and floor coverings, 55% require that schools test drinking water for lead, and more than 50% pursue an integrated pest management…