The Food and Agriculture Organization (FAO) marks World Food Day on Wednesday, themed "Healthy diets for a #ZeroHunger world". FAO said in a report on Monday that around 14 percent of the world's food is lost annually before reaching the retail level. Reducing the figure would increase global economic growth and productivity, help fight world hunger and curtail greenhouse gas emissions, FAO said. In the report, Qu Dongyu, FAO's director ...