The Alliance for the Chesapeake Bay is looking for volunteers in Pennsylvania for their Riparian Ranger Program. Participants will “adopt” a riparian buffer and help to monitor and tend to recently planted trees. This will include tasks like straightening tree tubes, fixing bird nets, removing weeds, monitoring invasives, and helping to replant any trees that …

The combination of the chronic environmental stress induced by climate change, the physical disturbances of urbanization, and the competition presented by globalization (invasive species) interact to create urban novel ecosystems that have no analog with those found in nature. Peter Del Tredici will discuss the remarkable ability of spontaneous urban vegetation to rebuild ecological functionality …