Climate change has strong repercussions for nutrition and food security through its effects on crop yields, food quality, and availability of nutrients. The increased frequency of hot days, extreme weather, and changing rainfall patterns can lower the quantity of nutrients in food, leading to greater malnutrition and dietary deficiencies. Alterations within global food systems also influence availability and affordability of healthy food options and increase reliance on lesser-quality processed and lower nutrient foods, which can also lead to negative health outcomes such as obesity and micronutrient deficiency. Climate change impacts on nutrition and food security can be addressed through sustainable diets and climate-smart agriculture practices, and global policy approaches can promote resilient food systems. Understanding the interface of climate change and nutrition is an important consideration for global public health planning, dietary adjustments, and food security going forward.
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