dealing with the linkages between sociocultural features and social sensitiveness about general environmental issues, and particularly about waste and resource management. Task 3.3 has a multilevel scope: secondary sociocultural inquiries are focusing on national level specificities, while the primer sociocultural stage of the research and the socioeconomic investigation is done on a local level. The representation and process models developed in WP3 have strong ties with WP4, regarding sustainability impact assessment and evaluation models, and with WP5 concerning eco-innovative solutions and change strategies. Moreover, the models are used as input to the GDSE (WP2) and inform – and are informed by – WP6 with regard to decision models. These interrelations accentuate theimportance of common agreements regarding e.g. delineations, data sourcing and processing. Such issues are dealt with in this handbook, whilst underlining the necessity for continuing alignment between work packages of the REPAiR project.@en