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The document details the development of SELECT ECOTECH, a serious game system (SGS) designed as a learning platform for stakeholders in the Baltic Sea Region (BSR). The game aims to foster systemic awareness and adaptive capacity when selecting eco-technologies to reduce nutrient and carbon emissions while maximizing co-benefits. Co-designed with stakeholders from three case study catchments—Fyrisån (Sweden), Vantaanjoki (Finland), and Slupia (Poland)—the game uses a board game format to simulate 'wicked' situations, including system shocks and policy changes. The report outlines a three-phase participatory design process, the game's rules regarding baseline emissions and resource management, and the specific eco-technologies and developments integrated into the system. The findings suggest that the iterative, playful nature of the SGS allows stakeholders to cross knowledge boundaries and experiment with innovative technology constellations beyond technocratic solutions.

The document examines two policy options recommended by a 2018 Swedish Government inquiry: a total ban on sewage sludge reuse or a limited ban allowing application only if strict quality standards are met. It highlights that while both aim to reduce environmental risks and improve phosphorus recycling, a total ban would render existing investments in certification programs like REVAQ obsolete and necessitate costly transitions to incineration and ash-based phosphorus recovery. Using Uppsala as an example, the brief argues that a limited ban is preferable as it protects upstream pollution reduction efforts and preserves the value of organic matter in sludge.

The CADWAGO final workshop in Sassari, Italy, brought together 35 researchers and practitioners to discuss systemic water governance and climate adaptation. The event featured project findings on governance praxis and co-learning, external perspectives on catchment management in the UK and disaster management in Australia, and a field visit to Arborea, Sardinia. A central highlight was 'La Rasgioni' (the water court), a traditional conflict resolution process used to facilitate dialogue between dairy farmers and institutional authorities regarding nitrate pollution. Participants concluded that effective water governance requires moving beyond traditional stakeholder participation toward conscious co-learning and systemic designs that reconcile conflicting interests.