This introductory article to the special issue presents a theoretical framework built on a bridging of youth studies and social movement studies. Building on some preliminary observations and empirical evidence, the article introduces the interrelated research questions that this issue addresses, based on the work of the CRY_OUT project: What leads a significant number of young people in times of more or less severe crisis to engage in collective initiatives, rather than to remain passive? What are the forms of social commitment that critical young people choose to use, in particular during periods of crisis? Which meanings are attached to these forms of social engagement? What kinds of resources are available to young people for social mobilization? And to what extent do they vary across different degrees of socioeconomic crisis, governmental constellation, and type of conflict, thereby shaping individual-level forms and levels of social participation? To what extent do differences in the impact of the crisis on national contexts, and related political transformations, result in differences in young people's social engagement in terms of motivations and forms? After presenting the theoretical model and research design, the article summarizes some results across three main aspects: the meaning of generations in social movements, the self-definition of Millennials, and their forms of commitment. It then presents the research design and the content of the contributions that follow.
