Demonstrate cost-effective alternative to gray infrastructure for urban flood resilience and climate mitigation

Meta-analysis of 45 green infrastructure projects in Singapore, Netherlands, USA (2018-2026). Comparative water balance modeling of bioswales, rain gardens, and permeable pavements vs traditional detention basins.

Green infrastructure reduces peak runoff by 73% while improving stormwater quality. Urban green space sequesters 12 tons CO2/hectare/year. Property values increase 5-15% in neighborhoods with green infrastructure. Singapore ABC Waters program reduced downstream flooding 40% while creating public amenity.