The present reprint aimed to present original research articles and reviews concerning the following: Access: affordability, allocation, and preference of food; Availability: the production, distribution, and exchange of food; Circularity in food systems at local, regional, or global levels; The development, impact, and ethics of novel and data-driven technologies in food systems; Food security and policy, governance, institutions, and trade; Influencing food consumption and demand regarding the food environment; The stability and dynamics of food security aspects; Sustainable food systems and agro-ecological food production; Utilization: the nutritional value, social value, and safety of food.