Development Impact West Africa (DIWA) evaluations
Impact evaluations and evidence summits on poverty, agriculture and health, presented by GIMPA researchers through Development Impact West Africa.
SDG 2
Zero Hunger
End hunger, achieve food security and improved nutrition.
Explore this goal.
Research, programmes & evidence.
Survey of 1,484 Ghanaian vegetable farmers on pesticide use and health
A study by Francis Clottey Odonkor and Prof. Stephen T. Odonkor, published in Crop Protection and featured in GIMPA’s Research Newsletter (March 2026), surveyed 1,484 vegetable farmers on pesticide use. It reports that 75.9% used suitable pesticides while 70% acknowledged negative health effects, and documents unsafe disposal such as burning containers (56.9%).
DIWA 2025 Development Impact Summit presents maternal health and agriculture evidence
Development Impact West Africa, a partnership between GIMPA and the Center for Effective Global Action, hosted the 2025 Development Impact Summit in Accra on 26 and 27 August 2025, themed 'Advancing Evidence-Informed Policymaking for Sustainable Development in West Africa'. Presentations included the impact of Ghana’s free maternal health policy on infant and child feeding, and irrigation for smallholder farmers.
Systematic review of sustainable agricultural practices and food security
Dr Gamel Abdul-Nasser Salifu of the Department of Economics and Applied Mathematics published 'Synergies and trade-offs of sustainable agricultural practices for improved food security in a developing country: a systematic review' in Cogent Food & Agriculture. The review screened about 1,000 articles, of which 120 met the selection criteria, and maps six research fields.