A food requirement ratio of 117% for rice, 80% for wheat, 75% for traditional cereals; 160% for milk, 126% for white meat;. The realization of the sanitation networks (sewage and rainwater) of the cities of Nouakchott, Rosso, Kaedi, Kiffa, Nouadhibou, Nema, Aioun, Timbedra, Akjoujt, Atar;. An aerial seeding of degraded lands (10 000 ha / year) to promote the regeneration of the natural environment;.