Community-based organizations can mobilize citizens to adoption behaviors to ensure the transition to a sustainable economy.This paper evaluates social and economic impacts of community based initiatives in Romania, in two different domains: transport and waste.The sample for this paper includes two community-initiatives, one from the transport domain and the other one from the waste domain. It was analyzed 12 interviewsfive interviews with members and one interview with a stakeholder for each of the two initiatives, which was conducted during January -May 2015.