Food-energy-water sustainability in urban spaces: insights from open geospatial datasets in Coimbatore, India

Urban Farm DB summary

This study built a geospatial framework using open-access geospatial datasets to assess the economic feasibility of rooftop gardening, rainwater harvesting, and photovoltaic installations across 368,748 rooftops in Coimbatore, India. Projected revenue estimates were ₹28.58 billion for photovoltaic systems, ₹15.79 billion for rooftop gardens, and ₹0.34 billion for rainwater harvesting; a crop-specific analysis found chillies the most profitable rooftop crop, with potential revenue of ₹38.51 billion, and coriander the least profitable at ₹4.57 billion.