Professor Song Soo Lim from Korea University explained about future sustainable food-energy nexus in front of IPB University students in Academic Assembly Room, Faculty of Economics and Management (FEM), Dramaga Campus, Bogor (21/8). The rising world population is followed by the rising demand of food, so productivity should also increase. The productivity increase will have an impact on water and energy usage. The interaction between those three factors is called the food-energy nexus.