Climate variability and change contribute to food insecurity, which can lead to malnutrition, including undernutrition, overweight and obesity, and to disease susceptibility in low- and middle-income countries . Populations exposed to extreme weather and climate events may consume inadequate or insufficient food, leading to malnutrition and increasing the risk of disease . Children and pregnant women experience disproportionately greater adverse nutrition and health impacts . Climatic influences on nutrition are strongly mediated by socioeconomic factors  .
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report