Change(K)now! – A mindset change from single-use to circular or multiple-use of food delivery systems in cities of the BSR
Change(K)now!

Copenhagen Street Days 2025

30 October 2025
Technical details

The Copenhagen Street Days 2025 combined international 3×3 basketball competitions with diverse urban activities, food stalls, and community experiences.

System tested:

  • Reuse system for food packaging and cup through reverse vending machines and donation boxes

When:

  • 5–7 September 2025

Aim:

To test a digital return and deposit system in a large open-space event

Outcome:

The reusable measures achieved a return rate of nearly 90%, with strong visitor acceptance and meaningful CO₂ and waste savings.

Interactive map showing pilot locations. Use the arrow keys to move the map view and the zoom controls to zoom in or out. Press the Tab key to navigate between markers. Press Enter or click a marker to view pilot project details.

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