RT null T1 Definitions - Guidance for Countries to Measure Food Waste A1 United Nations Environment Programme, K1 food waste K1 guideline YR 2023 FD 2023-11 LK https://wedocs.unep.org/handle/20.500.11822/44678 UL https://wedocs.unep.org/handle/20.500.11822/44678 DS UN Environment Document Repository RD Sep 21, 2026