The Danish island of Samsø demonstrates how a community of 4,000 inhabitants achieved 100% renewable energy self-sufficiency through citizen participation.

Flea markets like Petersplatz promote local development and sustainability by supporting the circular economy, social cohesion, and responsible consumption.

In Basel, Woodstogg is a timber building that responds efficiently and sustainably to urban challenges.

Sustainable cities are an urban planning model integrating economy, environmental balance, and social well‑being to improve the quality of life of their residents.

At the Smart Cities Congress in Madrid, Switzerland's PET Methodology was presented. Over 400 smart city experts attended.

Urban strategies centered on people, sustainability, and social efficiency to achieve balanced development. Cities and sustainable development.