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Rita Floyd argues that there are always circumstances in which states and other actors have a moral duty to securitize - to use extraordinary emergency measures to deal with existential threats, whatever their source. This book will appeal to anyone interested in achieving a more peaceful and just world.

In 1993 the first Clinton administration declared environmental security a national security issue, but by the end of the Bush administrations environmental security had vanished from the government's agenda. This book uses changing US environmental security policy to propose a revised securitisation theory, one that both allows insights into the intentions of key actors and enables moral evaluations in the environmental sector of security. Security and the Environment brings together the subject of environmental security and the Copenhagen School's securitisation theory. Drawing on original interviews with former key players in United States environmental security, Rita Floyd makes a significant and original contribution to environmental security studies and security studies more generally. This book will be of interest to international relations scholars and political practitioners concerned with security, as well as students of international environmental politics and US policy-making

AbstractOntological security and the Copenhagen school's societal security are both concerned with identity. While, the existing literature on ontological security has made use of the Copenhagen school's concept of securitization, the linkage between societal and ontological security is unclear. Are they different, or does one subsume the other? This article uses the case of majority fears of minority threats to examine the difference between the two concepts. The article shows that the two are distinct—albeit complementary—concepts that explain different things in the security–identity nexus. Securitization theory explains that majorities sometimes designate minorities a threat to their chosen collective identity, while ontological security explains why individual persons—who possess multiple identities—assent to that securitization, including by agreeing to it as audiences, or by requesting it of powerful elites. The article goes on to examine the implications of this 'ontological–societal security node' for policymakers and practitioners.

Abstract
As the world continues to fail to reduce and control global surface temperatures, the use of solar radiation management (SRM) technology by one actor or by a small coalition of actors is becoming increasingly likely. Yet, most of the social scientific literature on solar geoengineering does not tend to systematically engage with this possibility; scholars focus either on global governance or on banning SRM usage and research altogether. On the margins of this debate, a handful of researchers have sought to bring insights from the just war tradition to the issue of unilateral and minilateral SRM usage. This article is concerned with the contribution just war/securitization theories can make to our understanding of the debate surrounding climate engineering. It scrutinizes and deepens existing attempts by just war scholars to examine the moral permissibility of unilateral and minilateral SRM usage, including from the perspective of Just Securitization Theory.

On November 26, 2021, Dr. Rita Floyd, Associate Professor at the University of Birmingham, presented on The Morality of Security at the 2021 CASIS West Coast Security Conference. Dr. Floyd's presentation focused on securitization and its emergence within politics, with some primary concepts centering around security threats being politically and socially constructed and the criteria for when securitization is morally justifiable. Dr. Floyd's presentation was followed by a question-and-answer period directed at a group of panelists allowing the audience and CASIS Vancouver executives to directly engage with the content of each speaker's presentation.