This essay is about the mobilization that have arisen due to the mining activities being planned in Norra Kärr, just outside of Gränna in the northern part of the county of Jönköping, Sweden. This study is based on the association Aktion Rädda Vättern and members of the associatons’ individual thoughts and experiences of their possibility to success. Interviews were carried out with members of the association. The theoretical basis lies within the theory of political opportunity structure and the defintion of the same by Sidney Tarrow. According to Tarrow one of the motivating factors playing an important role for people to mobilize is their individual sense of success and the possibility to reach it. Important factors for the mobilization of people consists of both social and individual such as networks, social ties, the perception of the group in the surrounding area and by bystanders, but also by individual feelings. As shown in the essay people’s feelings of opportunity to achieve success is important, so is their feeling of belonging.