International Day of Awareness of Food Loss and Waste Day Event Event Image International Day of Awareness of Food Loss and Waste Day Event September 21 - 21 | 11:00 - 4:00 (EDT) | UN Pavilion | Event in English | Organized by FAO On the occasion of Expo 2025 Osaka, Kansai, Japan, FAO will host the International Day of Awareness of Food Loss and Waste event to raise awareness especially on Food Loss in Japan.