The Implications of a Drier, Hotter and More Crowded Future Why is this issue important? The Horn of Africa is one of the world's most food-insecure regions. The eight countries – Djibouti, Ethiopia, Eritrea, Kenya, Somalia, Sudan, South Sudan and Uganda – have a combined population of 160 million people, 70 million of whom (or nearly 44 per cent) live in areas prone to extreme food shortages (1). Between 1970 and 2000, these countries were threatened by famine at least once each decade (1). In the future, the impacts of climate change, as well as growing populations and declining per capita agricultural capacity, are expected to further threaten food security¹. As one of the least developed areas in Africa, there is limited capacity to respond to drought or food crises. To prevent humanitarian emergencies, the Horn of Africa needs to strengthen its ability to build long-term resilience and tackle the root causes of ...