Systems Closed-Loop Rooftop Geodesic Farms: Code-Compliant Water, Energy, and CO2 Integration for Urban Hydroponics (2025–2026 Guide) Closed-Loop Rooftop Geodesic Farms: Code-Compliant Water, Energy, and CO2 Integration for Urban Hydroponics (2025–2026 Guide) Most teams still think a rooftop greenhouse is “closed-loop” By Jeremy Banks 8 Dec 2025
