Viridian Landscape Studio designs and develops landscape, architectural and ecological planning projects in Philadelphia. It states, "Sustainable design, ecological restoration and environmental education are key components of our work." It was formerly known as Rolf Sauer & Partners. Viridian Landscape Studio was founded by Tavis Dockwiller. Its website states, "A participatory planning process is crucial to achieving consensus on controversial projects. Many parties have legitimate concerns when any site is to be changed. Consideration of those concerns can resolve conflicts early on, and often results in a better plan."