This book offers an in-depth case study on the leading international refugee agency, the United Nations High Commissioner for Refugees (UNHCR), and its approach to environmentally displaced persons. The author examines the UNHCR on the basis of expert interviews and content analysis in order to highlight why and how the organization is addressing the issue. The analysis draws on organizational as well as security theory, offering readers a better understanding of the connection between the two. The book appeals to scholars in the fields of migration and organizational studies, as well as policymakers and professionals working in international organizations.