Marion Weaver

Environmental Planning & Design

Environmental Planning & Design, LLC is an integrated landscape architecture, community planning, and urban design firm based in Pittsburgh, Pennsylvania. Originally founded by the visionary landscape architect John O Simonds in 1939, our 79 years of experience has enabled us to develop a nationally acclaimed practice and an enduring legacy. The firm's holistic approach allows us to deal with a multitude of issues, ranging in scale and complexity. We embrace an impressive range of projects within urban, suburban, and rural landscapes, from park design and green infrastructure to comprehensive land use plans regional environmental analyses.