Articles include: Report: Lead in Pennsylvania water; tougher air pollution limits needed; Report: climate’s impact on children’s health and justice; Report: dogs and human fertility; Study: father’s drinking and children’s health; North Pole pollution; lead pipes in Buffalo, NY; climate change guide for kids; Study: forever chemicals and the immune system; school in Portland, OR, and munitions facility; PCBs in Vermont school; Study: tap water research; Study here and here: toxic nanotech graphene face masks.