Sinja Hantscher received her PhD at the TU Darmstadt, Germany. Her academic research and her teaching focuses on international migration, security studies and political education. She works at the Academy of the Federal Police in the Section for Social Sciences, in Lübeck, Germany. 

Introduction: Disaster Displacement.- Environmental Changes and the Competing Perspectives on Environmentally Displaced Persons.- Theoretical Background: Organizational Theories and the Research on International Organizations.- Research Design: Operationalizing Security Theory and Organizational Theory.- The UNHCR and Environmentally Displaced Persons.- Conclusion: Putting the UNHCR's EDP-Approach into Context.