Sustainable Cities
How Compact City Planning Reduces Emissions: Vienna’s Village im Dritten
Vienna’s 2026 municipal housing handover shows how compact redevelopment can combine short journeys, affordable homes, and shared energy infrastructure.
Solution area
Sustainable Cities
Healthier, lower-carbon places for a growing world.
Sustainable Cities in practice.
Healthier, lower-carbon places for a growing world. This section brings together GCS reporting and analysis across the places, institutions and systems where action is taking shape.
24 published insights in this solution area.
Sustainable Cities
Climate Change and Alternative Water Supplies Through Rainwater Management
Climate change is increasing pressure on urban water systems while intense rainfall can overwhelm drainage networks.
Sustainable Cities
Renewable Energy in Green Buildings Through Building Emissions Standards
Buildings account for a significant share of greenhouse gas emissions because of their energy use and reliance on fossil fuels.
Sustainable Cities
Melbourne Skyfarm: How Rooftop and Vertical Farming Support Urban Climate Resilience
Explore how Melbourne Skyfarm demonstrates rooftop and vertical farming as nature-based solutions for food security, urban cooling, and stormwater management.
Climate Adaptation
Singapore’s Urban Cooling Strategy: Climate-Sensitive Design for Heat-Resilient Cities
Explore how Singapore’s climate-sensitive urban design integrates wind corridors, green infrastructure, and digital modelling to mitigate rising urban heat risks.
Climate Adaptation
Urban Digital Twins for Data-Driven City Management: The Tokyo Digital Twin Project
Explore how the Tokyo Digital Twin Project integrates real-time data and 3D modelling to support data-driven urban planning, infrastructure management, and city resilience.
Latest book
Integrated Urban Water Management
Connecting Services, Catchments, Governance, and Resilience
Cities cannot secure reliable water services by improving individual projects alone. Decisions about supply, drainage, land use, finance, and public accountability must work together over time.
Explore this book →