What do dragonflies and damselflies teach you about the health of your environment? These beautiful aquatic insects are known as biological indicators. They are used by scientists all over the world to determine water quality. Gina Mongiello, currently a coach for overthinkers, taught environmental education for 15 years in various NJ locations, including the NJ School of Conservation, the Passaic River Institute, Montclair State University, the Essex County Environmental Center, and countless schools and libraries throughout NJ.