Definition: Climate security refers to the implications of climate change for national and international security, including risks related to state stability, human displacement, resource scarcity, extreme weather events, and the potential for conflict over diminishing natural resources.
Overview: Climate security is an interdisciplinary concept that examines how environmental changes driven by climate change can exacerbate or trigger security challenges at local, national, regional, and global levels. Climate change can act as a "threat multiplier" by intensifying existing vulnerabilities such as poverty, weak governance, food and water insecurity, and social tensions. These conditions may contribute to civil unrest, forced migration, intercommunal violence, and in extreme cases, armed conflict. Climate security has gained increasing attention from defense agencies, international organizations, and policymakers. For example, the United Nations Security Council has held multiple debates on the security implications of climate change, although consensus on the appropriate response mechanisms remains varied among member states.
Etymology/Origin: The term "climate security" emerged in the late 20th century as scientific understanding of global warming advanced and its potential societal impacts became clearer. It became more widely used in policy and academic discussions during the 2000s, particularly after influential reports such as the 2007 Intergovernmental Panel on Climate Change (IPCC) assessments and security-focused studies by defense institutions, such as the U.S. Department of Defense and the United Kingdom's Ministry of Defence.
Characteristics:
- Interdisciplinary by nature, combining climate science, international relations, security studies, and environmental policy.
- Focuses on both direct and indirect security risks, such as military infrastructure vulnerability to sea-level rise or conflict over transboundary water resources.
- Involves proactive risk assessment and planning by governments and international bodies.
- Often addressed through adaptation strategies, conflict prevention, disaster preparedness, and climate resilience initiatives.
Related Topics:
- Climate change
- Environmental security
- Human security
- Sustainable development
- Disaster risk reduction
- Resource conflict
- Military and defense policy in climate adaptation
- Global governance and international cooperation on climate issues