A Review of the Impact of Climate Change on Water Security and Livelihoods in Semiarid Africa: Cases From Kenya, Malawi, and Ghana

Abstract Within semiarid Africa, precipitation is the most important hydrological variable upon which livelihoods are carved since it determines the cycle of rainfall and water security needed for agriculture. However, research shows that climate change has largely altered that. This article critically reviews the extensive literature on climate-water-livelihoods in semiarid sub-Saharan Africa, highlighting the common threads that underlie them. By comparing three cases in three different regions (Ghana for West Africa, Kenya for East Africa, and Malawi for Southern Africa), this article provides a basis for cross-comparison and a framework for understanding the impact of climate change on water security and livelihoods in semiarid Africa. A cross-country, cross-region comparison of the impact of climate change on water security is essential for long-term and medium-term preparedness for adaptation to climate-induced water insecurity. Crucially, this calls for a renewed focus on the synergies between climate change and social, ecological, political, and economic factors, which have often been ignored in the water insecurity and climate change discourse on semiarid areas.