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This chapter illustrates how ideas of design and security become more complex and diverse in light of different states, actors, technologies, and security objectives in the twenty-first century. It looks at how two different groups of security professionals are responding to this complexity. In particular, the chapter shows how two very different approaches to security and design are engaging with complex problems of global politics in a moment that some argue is a time of radical technological and geopolitical change. The first is the work of ‘critical design’, which focuses on our understanding of security in the broadest sense—encompassing all aspects of life, society, technology, ecology, and policy. The second is the ‘military design’ movement, focusing on questions of war in the twenty-first century.

This chapter evaluates the relationship between war and society. The tendency to define war as fighting has led humanity to collectively condemn and attempt to curtail war horrors through international laws and regulatory practices. It is therefore easy to see why states around the world see preparing for war and waging it as vital to their security. The chapter focuses on three key questions: where is war? How is war possible? What (or who) does war secure? Asking these questions enables a deeper understanding of the choices that societies make about why, when, and where to fight and prepare for war; how the choices of actors and their actions make war possible; and the benefits and costs to people's security that wars can bring about. Indeed, such questions can help us to evaluate whether we should continue to prepare and wage war, and for what purposes.

This chapter examines four of the most important issues in international relations (IR): climate change, international terrorism, religion, and balance and hegemony in world history. It also considers the different ways in which these issues are analysed by the various theories presented in this book. The chapter begins with a discussion of what the issue is about in empirical terms, the problems raised and why they are claimed to be important, and the relative significance of the issue on the agenda of IR. It then explores the nature of the theoretical challenge that the issues present to IR and how classical and contemporary theories handle the analysis of these issues. The chapter addresses how climate change has become a first order challenge of international relations and IR theories, Samuel Huntington’s ‘clash of civilizations’ thesis, the influence of religion on politics, and how throughout history different state systems have come to equilibrate on either balance of power or hegemony.

This chapter examines issues of gender and security. It begins with an explanation of what we mean by gender and explains why issues of gender are central to understanding security. International Relations specialists have over the last three decades explored and interpreted the ways in which men and women have responded to the national and international policies which have governed conflict, terrorism, and war. The chapter demonstrates that through understanding and placing notions of gender at the centre of any debate on security one can unleash a series of interlocking understandings of the way men and women relate to insecurity, violence, and war.

This chapter examines the continuing importance of military security. It notes that International Relations has historically seen security almost entirely in terms of the military dimension, before going on to review the impact of the broadening of the concept of security on approaches to the study of its military dimension. It then analyses the key aspects of the traditional approach to military security and some of the most common ways in which states have sought to acquire it historically, such as war, alliances, and, more recently, nuclear deterrence. The chapter then reflects on some of the difficulties in acquiring military security, and ways in which its pursuit can sometimes reduce, rather than increase, security, before concluding with a reminder of the continuing centrality of military security, even within a significantly broadened understanding of security as a multifaceted concept.

This chapter explores the concept of societal security. It starts by looking at how society came to be conceived as a referent object of security in its own right. It then goes on to discuss the so-called Copenhagen School’s understanding of both society and societal identity, showing how societal security is tied most of all to the maintenance of ethno-national identities. In looking at threats to societal security, through examples, such as the former Yugoslavia and Northern Ireland, the chapter discusses a number of those means that can prevent or hinder the reproduction of collective identity, and, in turn, how societies may react to such perceived threats. The chapter concludes by considering some of the main critiques of the concept as an analytical tool.

This chapter discusses the concept of environmental security. It explains the way environment and climate change have both broadened and deepened the issue of security. It describes the evolution of the concept as a merger of international environmental agreements, efforts to contest the meaning and practice of security, the proliferation of new security issues in the post-Cold War era, recognition that environmental and climate changes pose grave risks to human well-being, and the growing community of research practice that seeks to build peace through natural resource management. The chapter examines the different meanings of environmental security, and then explains four major categories of environmental security problems—namely, the way environmental change can be a factor in violent conflict, the way environmental change can be a risk to national security, the way war and preparation for war can damage the environment, and the way environmental change can be a risk to human security. It explains how environmental security can mean different things to different people and can apply to vastly different referent objects in ways that sometimes have very little to do with environmental change.

This chapter describes the basic features of realist theory, including its emphasis on the implications of international anarchy and the importance of power. The chapter then explores major divisions within the realist family, and their implications for states’ security policies and war. The most fundamental division is between structural realism—which focuses on the impact of the international system on states’ decisions—and motivational realism—which focuses on the impact of variation in states’ motives. Also important is the ongoing debate within structural realism—between Kenneth Waltz’s structural realism, offensive realism, and defensive realism. The first two of these find that international structure generates a strong tendency towards competitive policies, while defensive realism finds that cooperation is, under some conditions, a state’s best strategy for achieving security. The chapter illustrates how these different arguments result in divergent predictions for how China’s continuing economic growth is likely to influence international security.

Nowadays states rarely resort to war to defeat each other or to address war-threatening crises and armed conflicts. Instead, coercive diplomacy has emerged as their strategy of choice when persuasion and other non-military instruments fall short. Coercive diplomacy involves the use of military threats and/or limited force (sticks) coupled with inducements and assurances (carrots) in order to influence the opponent to do something it would prefer not to. States use coercive diplomacy in the hope of achieving their objectives without having to resort to full-scale war. This chapter presents the strategy of coercive diplomacy and its requirements for success and shows how states have employed it to manage crises and conflicts during the three strategic eras that the world has passed through since the end of the Cold War.

This chapter examines how weapons of mass destruction (WMDs) work and the effects they might have if used on the battlefield or against civilian targets. The threat posed by WMD proliferation to state actors is of increasing concern, and it is even more alarming if these weapons are deployed for terrorism purposes. A chemical weapons attack against a major sporting venue, for example, could kill thousands of people, while a successful anthrax attack might place hundreds of thousands at risk. The chapter considers how WMDs such as nuclear weapons, chemical weapons, and biological weapons have been used in war and how they have shaped the practice of international politics.

This chapter examines the International Society tradition of international relations (IR). International Society, also known as the ‘English School’, is an approach to world politics that places emphasis on international history, ideas, structures, institutions, and values. After providing an overview of International Society’s basic assumptions and claims, the chapter considers the three traditions associated with the leading ideas of the most outstanding classical theorists of IR such as Niccolò Machiavelli and Immanuel Kant: realism, rationalism, and revolutionism. It then explores International Society’s views regarding order and justice, world society, statecraft and responsibility, and humanitarian responsibility and war; as well as how International Society scholars have used a historical approach to understand earlier international systems and the development of international society. It also discusses several major criticisms against the International Society approach to IR and concludes with an overview of the research agenda of International Society after the Cold War.