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Introduction: Food security is a critical aspect of public health, encompassing the availability, access, utilization, and stability of nutritious food for individuals and communities. However, the issue of food security is increasingly threatened by the impacts of climate change. As global temperatures rise, extreme weather events become more frequent, and agricultural systems face new challenges. This article explores the implications of climate change on food security and its subsequent effects on public health. 1. Climate Change and Agricultural Productivity: Climate change disrupts agricultural systems, affecting crop yields, livestock production, and fisheries. Rising temperatures, irregular rainfall patterns, and increased frequency of droughts and floods pose significant challenges to farmers and food producers. These disruptions can lead to reduced agricultural productivity, crop failures, and livestock losses, ultimately impacting the availability and affordability of food. ...