Report No. 218: Adapting Co-operative Security: The OSCE's Challenges and Opportunities in a Fragmented World

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This report examines the evolution of co-operative security, the role of the Organization for Security and Co-operation in Europe (OSCE) in arms control, crisis management, and emerging transnational threats such as cyber risks, migration, and climate change. In the face of a shift to fragmented, self-interested policies, the OSCE now faces unprecedented challenges due to geopolitical rivalries and institutional paralysis. With its consensus-based structure increasingly obstructed, alternative mechanisms—such as coalitions of the willing, structured dialogue, and flexible diplomatic formats—are proposed to sustain co-operative security. The paper concludes by assessing the OSCE’s potential role in post-war Ukraine and the broader European security architecture.