Climate change-induced disruptions to agricultural systems and other socio-economic and geopolitical factors threaten food supply availability, access, and stability. The paper examines the crisis and explores the strategies, challenges, and policy implications of transforming food systems towards sustainability. It highlights the undeniable impact of climate change on agriculture, discussing how it affects crop yields and contributes to the increased frequency of extreme weather events. The paper discusses the extent and causes of food loss and waste in the supply chain, presents various technologies and initiatives to reduce it, and highlights models for efficient food distribution and surplus food redistribution. Lastly, it shifts its attention to food policy and governance, assessing the effectiveness of national and international policies in addressing food security and climate change. Conclusively, it underscores the pressing need for a holistic and sustainable approach to food systems transformation in the face of climate change.