Learn the essentials of wetland ecology and the vital management techniques necessary to maintain threatened wetland ecosystems at The Morton Arboretum. Two days: Wednesday, August 1, 6:30 to 8:30 p.m., and Saturday, August 4, 2018 8:00 a.m. to noon. SOLD OUT. This class will be offered again in June 2019. Registration will open Tuesday, February, 2019.