As the concrete jungle in Indian cities such as Chennai has outgrown green cover and increased heat stress, these cities need vertical forest cities, integrating skyscrapers with urban farming, biodiversity corridors, carbon sequestration, and cooling landscapes. “We need vertical forest cities in India, integrating skyscrapers with urban farming, biodiversity corridors, carbon sequestration, and cooling landscapes. Instead, architecture and ecology need to be designed as one integrated system, where vegetation, water management, and building performance work together. In a presentation on “Water positive cities solving urban water crisis through architecture,” B.Arch student Aldrich Bennet said they have started a study on old temple tanks in Chennai. “We explored the concept of water-positive cities and demonstrated how architecture and urban design can help address Chennai’s growing water crisis.