Ken has an integrative, systems view of urban ecosystems, arising from his years of research at the US Forest Service, Baltimore Ecosystem Study and Baltimore City DPW Water Quality Mgt. He is currently “retired” but is focused on using an historical, engineering and eco-sociological “urban watershed continuum” framework for writing, teaching and citizen science. His perspective on urban waters ranges from the beginnings of the arrival of people into the landscape to how the rapidly changing f