The essays collected in Global Dangers provide both conceptual analysis and empirical assessment of the environment, migration, and nationalism as sources of conflict. The East-West confrontation that dominated the international security agenda during the Cold War has largely receded from view. Revealed in its wake is a different set of dangers, not really new but previously overshadowed by Cold War preoccupations. Global Dangers examines three such potential threats to peace: environmental problems, including access to scarce resources and population pressures; international...