Samuel Ajala @ajalasamuelakin Samuel Ajala is a data and development journalist covering climate change, energy transition and water, sanitation and hygiene in Nigeria. He is a 2022 BETD Media Fellow and Future News Worldwide (FNW) delegate. Meet the Brand Accelerating Off-Grid Solutions for Food Preservation in Africa Sustainability News By Samuel Ajala September 19, 2022 Clean tech company Ecotutu is using solar power address three problems at once.