On the tropical island of La Réunion, population growth, increasing demand in food products, agricultural densification, and the resulting pressure on the environment are representative of what is expected to happen in the majority of the world's regions in the next decades. Crop-livestock...

Until the adoption of liberalization policies from the 1980's, Algeria, Morocco and Tunisia have favoured a policy of food self-sufficiency based on economic planning and public control of networks. Despite all this, the external food dependency went on increasing during all the period. With...