Puerto Rico Wastewater Garden system is thriving after 20 years of operation During December 2022, Dr. Mark Nelson visited and worked at the Las Casas de la Selva sustainablerainforest timber project near Patillas, Puerto Rico, a project to which the Institute of Ecotechnicsconsults. The Wastewater Garden system which was installed in 2002 with support from the Puerto Rican Department of…