Action on  Children's Harmful Work in African Agriculture (ACHA). To improve the evidence base on the forms, drivers, and experiences of harmful children’s work in African agri-food systems.  To identify, pilot, and assess the impacts of effective ways to reduce children's harmful work in the context of increasing integration of smallholder farmers and pastoralists into commercial agri-food systems.  To investigate the role of businesses in reducing children’s harmful work, and provide a knowledge bank to support businesses and DFID programmeson related safeguarding issues.