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.

Ungersheim, a model of sustainable transformation led by its residents, shines through community initiatives, renewable energy, and shared agriculture practices.

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