Rivers are lifelines in many dry regions of Africa. They provide the necessary water for agriculture, household uses, transport, and biodiversity. They fill the wetlands of inland and coastal deltas with fresh water, thereby maintaining the inhabitant’s livelihoods and biodiversity of these dynamic areas
Landslides and avalanches are the most dramatic, sudden, and dangerous examples of earth materials moved by gravity. Landslides are sudden falls of rock, whereas avalanches are sudden falls of snow.
