Viladecans

Spain

Twin city
National Mission Ecosystem Spain
Population 67k
City Area 20.4 km²
City active since December 2023

Viladecans is a coastal city in Catalonia, located just south of Barcelona between the Mediterranean Sea and the agricultural landscapes of the Llobregat Delta. Home to around 67,000 people, it has grown from a small farming town into part of the wider Barcelona metropolitan area, with a mixed economy shaped by services, logistics, local commerce and nearby airport activity. The city’s Mediterranean climate brings hot, dry summers and increasingly frequent heatwaves, while its low-lying location also raises concerns around flooding, water scarcity and pressure on natural ecosystems.

For Viladecans, climate action is closely connected to managing urban growth while protecting limited land and resources. As part of a dense metropolitan region, the city faces challenges linked to mobility, energy consumption and rising temperatures in built-up areas. Its approach focuses on combining environmental goals with social inclusion and everyday urban life, using neighbourhood-scale planning and public participation to guide change.

Current priorities include improving energy efficiency in buildings, expanding green corridors and public spaces, promoting walking and cycling, and strengthening resilience to heat and drought. Viladecans is also known for experimenting with innovative governance models, bringing together local government, schools, businesses and residents to test practical climate solutions that can be integrated into daily city life.

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