The XXVIII Song and XXI Dance Celebration was held in Tallinn, Estonia. The event organizers have put a lot of effort into ensuring that the big event is held in a sustainable manner. In the framework of the Change(K)now! project, the solution was tested, which nudged...
Interreg Baltic Sea Region
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State of nutrient recycling and its potential in the Baltic Sea Region
To set a base for the promotion of nutrient recycling, CiNURGi has assessed the current state of nutrient recycling in the Baltic Sea Region. This includes information on recyclable biomasses available from agriculture, municipalities and industry, their location and...
The XIII Latvian School Youth Song and Dance Festival
The XIII Latvian School Youth Song and Dance Festival took place from the 5th to the 13th July 2025, in Riga, Latvia. Measures tested: Use of deposit cups When: 5-13 July 2025 Aim: The aim was to reduce waste at a large event with complex...
Hamburg Sunset Run
The Change(K)now! project partner Green Events Hamburg tested a reusable cup system along the running track during the SUNSET Hamburg. SUNSET Hamburg is an evening running event set in the Wilhelmsburger Inselpark, combining natural surroundings, waterways and...
Copenhagen Street Days 2025
The Copenhagen Street Days 2025 combined international 3x3 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:...
The Riga City Festival 2025
The Riga City Festival 2025 is one of Latvia’s largest public events, held across several city locations. System tested: A decentralized deposit cup system (returns can only be made at the issuing stand). 2 Euro for deposit. When: 16 August 2025 Aim: The festival...
Kopums / MAD Liepāja Youth Festival
The event Kopmus / MAD Liepāja is a two-day youth opportunities festival. It brings together young people, youth workers, and organizations to break stereotypes, discuss socially relevant topics, and showcase creativity, culture, sports, and civic engagement. System...
Smart reverse-vending machines in Gdańsk
In collaboration with the Change(K)now! project partner Challengeen, some corporate office buildings in Gdańsk, Poland, are testing smart reverse-vending machines. System tested: Smart reverse-vending machines for selling high-quality, pasteurised meals in returnable,...
Reusable service packaging and bulks at schools in Copenhagen
In collaboration with the Change(K)now! project partner Municipality of Copenhagen, 5 schools in Copenhagen will implement reusable service packaging and bulks as a final test run for full implementation. System tested: Reusable service packaging and bulks When: From...
Copenhagen – City system
In collaboration with the Change(K)now! project partner Municipality of Copenhagen, in the old town of Copenhagen the city is testing a reverse vending machine system for reusables. System tested: Digital deposit system for reusable cups, bowls and trays (more info...












