Renewable Transformation Challenge prize winner, Uzochukwu Mbamalu (IMAGE) Elsevier Caption Uzochukwu Mbamalu holds a fresh tomato at the fresh foods market in Enugu State, Nigeria. Mr. Mbamalu’s Coldbox Store technology aims to reduce post-harvest food loss due to poor storage conditions. Credit Image © Benson Ibeabuchi/GG Images/RA Usage Restrictions None. Please credit the photo as noted if used. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.