Coffee branches and leaves that were to be thrown away become a resource: the business opportunity opened by Vietnamese coffee's decarbonization
Pruned branches and leaves from coffee plantations and the husks left after processing used to be nuisances, merely burned in a corner of the field or left to pile up. But in Vietnam's main growing areas, these "things that were meant to be thrown away" are being remade into organic fertilizer, curbing the use of chemical fertilizer while even pushing up farmers' incomes...