RT null T1 Nitrogen Use Efficiency (NUE) an indicator for the utilization of nitrogen in food systems A1 EU Nitrogen Expert Panel, A2 Pallière, Christian PB United Nations Environment Programme YR 2017 FD 2017-01 LK https://wedocs.unep.org/handle/20.500.11822/12087 UL https://wedocs.unep.org/handle/20.500.11822/12087 NO Power point presentation given by the EU Nitrogen Expert Panel about nitrogen use efficiency. This presentation outlines the establishment, mandate, and work of a European expert panel addressing nitrogen use efficiency in food systems. It describes the need for a practical indicator, methodological development based on input–output balances, and interpretation approaches. It also presents collaborative structures, analytical frameworks, and planned extensions to farming and whole food systems and cooperation with policy and industry actors. DS UN Environment Document Repository RD Sep 22, 2026