The Intersection of Climate Change and Global Health Security

The relationship between climate change and global health security represents a critical nexus that impacts global public health. Climate change exacerbates health vulnerabilities through direct consequences, such as extreme weather events, and indirect effects, including the spread of vector-borne diseases and challenges to food and water security. Health systems worldwide face strain from these impacts, particularly in vulnerable and resource-constrained regions. This paper examines the multidimensional links between climate change and health, reviews case studies of climate-related health impacts, and explores policy responses aimed at mitigating risks. Recommendations include integrating health and environmental strategies, strengthening health infrastructure, and fostering international cooperation to enhance resilience. Understanding these dynamics is essential for shaping sustainable and equitable policies to address the dual crises of climate change and global health insecurity. Keywords: Climate change, Global health security, Public health policy, Vector-borne diseases, Health systems resilience, Environmental health, Climate adaptation.