Recent and recurrent food crises in the Sahel region and in the Horn of Africa, where more than 30 million people are suffering from hunger, have underscored the need to work on a long-term and systematic approach to building the resilience of vulnerable countries and populations.The effects of economic shocks, rising and fluctuating food prices, demographic pressure, climate change, desertification, environmental degradation, pressure on natural resources, inappropriate land tenure systems, insufficient investment in agriculture, have, in many parts of the world, resulted in greater exposure to risk, notably from natural hazards. The impact of these global trends is manifested in the increasing number and intensity of natural disasters and crises. The poorest households are the most vulnerable and in many instances this vulnerability is compounded by political instability and conflict. In the case of food insecurity, despite some progress, one billion people are still suffering from hunger and the issue is particularly acute in drought-prone areas where most of the population depends directly on agriculture and pastoralism.