Chapter 10. Semi-arid zones: the Sahel is sensitive to variations in rainfall

Village on the River Niger at Gao in eastern Mali. The Sahel was hit by drought during the second half of the 20th century but precipitation has resumed since the 1990s. The Sahel-Sudanian strip that runs from Senegal to Sudan is considered by IPCC experts as being one of the parts of the world that is most vulnerable to climate change. The temperature of this semi-arid region of Africa has risen for 60 years and the rainfall regime has changed. The climate forecast is a 3 to..