RT null T1 Food Service Measurement Methods A1 United Nations Environment Programme, K1 food supply K1 food waste K1 food consumption YR 2023 FD 2023-11 LK https://wedocs.unep.org/handle/20.500.11822/44684 UL https://wedocs.unep.org/handle/20.500.11822/44684 DS UN Environment Document Repository RD Sep 20, 2026