Excellent Development supports farmers in Africa to gain access to clean water and grow enough food to eat and sell, enabling them to pay their children's school fees and buy other necessities. Farmers achieve this by organising themselves into self-help groups and improving soil and water conservation and farming techniques. Soil and water conservation is achieved through the terracing of land, planting of trees and building innovative sand dams that hold between 2-10 million litres of clean water available all year round.