Between food security and sovereignty - The author is discussing the different meanings and applications of the concepts of food security and food sovereignty, with reference to scarcity/lack of food, food quality, universal right to food. Then the article introduces the themes that will be developed in the papers included in this volume. It underlies in particular the opportunity of analysing food issues with a integrated approach, linking the strategies of the agro-industrial system with the new social practices for sustainable food production and responsible consumption. Finally is recalls the renewed interest of rural sociologists for peasantries and rural movements.
Key words: food security, food sovereignty, alternative food networks, sustainability, peasantries, rural movements.