**About the Editors**

**Ken Tamminga** is Distinguished Professor of Landscape Architecture at Penn State University. He teaches urban and ecological design and uses constructive approaches for engaging his students with community partners. He has conducted action research on applied sustainability and resilience-building in North American and west European cities and sub-Saharan African and south Asian rural communities. He is currently co-leading a research consortium that is exploring convivial greenstreets phenomena in dense urban cores.

**Thomas Kn ¨uvener** is an architect and landscape architect and Principal of Knuvener ¨ Architekturlandschaft. The office works at the interface between architecture and open space, city and landscape, interior and exterior. He has held different teaching positions, most recently as Visiting Professor of Landscape Architecture at HS Koblenz. He is currently planning and building projects according to the principles of circular construction and is an expert advisor on the board of the Regional Resource Transition in the Building Economy.
