LASN 40th: Environmental Concepts

Friends of LASN
by Gregory D. Duckworth, PLA, FASLA, Environmental Concepts

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Environmental Concepts, LLC is founded in Florida by Gregory D. Duckworth, PLA, FASLA (left). Lee Sibley (right) was a long-time staff member who worked on landscape architecture projects through Georgia, Louisiana, and South Carolina. Sibley passed away after a brief illness in 2020 and is fondly remembered by his coworkers.

As seen in LASN magazine, July 2025.