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The Danish N-Footprint: The Cost of Consumption and the Reactive Nitrogen Conundrum Beyond Borders

Part 2: Linking Nitrogen Footprints, Efficiency, and Budgets to Policy and Consumer Action Part 2 of this session explores two questions: how nitrogen footprints, nitrogen use efficiency (NUE), national nitrogen budgets and related metrics can complement one another while retaining their respective strengths; and how these metrics can be translated into action. In particular, we ask how production-level information can be linked to consumer-oriented interventions, policy instruments, and practical decision support in ways that reduce nitrogen losses and remain usable in practice. Across the contributions, we also consider how the causes and drivers of nitrogen losses can be connected with their impacts across farms, supply chains, trade and national systems. Session materials and audience participation Position papers, key claims, and background information on nitrogen metrics are available here: <a href="https://jgserra18.github.io/N2026_nutrients2action/" target="_blank" rel="noopener">https://jgserra18.github.io/N2026_nutrients2action/</a> During the session, please use the same page to access Mentimeter, vote on discussion topics, and submit questions to the panel. Programme 10:50&ndash;10:52 &mdash; Introduction Azusa Oita 10:52&ndash;11:37 &mdash; Five registered STS3-2nd oral presentations (7-min presentation + 2-min Q&amp;A each) 10:52&ndash;11:01 &mdash; [STS3-O006] Jacques Louis Vos &mdash; The Danish N-Footprint: The Cost of Consumption and the Nᵣ Conundrum Beyond Borders 11:01&ndash;11:10 &mdash; [STS3-O007] Berent T. Baris &mdash; My-N-Print: A globally harmonized, top-down nitrogen footprint calculator for food and energy choices across 181 countries 11:10&ndash;11:19 &mdash; [STS3-O008] Azusa Oita &mdash;&nbsp;Incorporating production-side variability into nitrogen footprints: linking process models with a life-cycle-oriented assessment framework 11:19&ndash;11:28 &mdash; [STS3-O009] Jo&atilde;o Serra &mdash;&nbsp;Re-imagining how national NUE is calculated and interpreted 11:28&ndash;11:37 &mdash; [STS3-O010] Troy Baisden &mdash;&nbsp;From budgets to barriers and backlash: learning from New Zealand&rsquo;s difficulties implementing limits on reactive nitrogen 11:37&ndash;11:40 &mdash; Transition to the panel 11:40&ndash;11:48 &mdash; Four flash talks (2 min each) 11:40&ndash;11:42 &mdash; Wilfried Winiwarter &mdash;&nbsp;Nitrogen efficiencies in a national nitrogen budget perspective 11:42&ndash;11:44 &mdash; Miguel Quemada &mdash;&nbsp;Complementing nitrogen use efficiency with fertilizer dependency 11:44&ndash;11:46 &mdash; Ming-Chien Su &mdash;&nbsp;Nitrogen Management: Opportunities for Taiwan&rsquo;s Net-Zero Transition 11:46&ndash;11:48 &mdash; Morten Graversgaard &mdash;&nbsp;From nitrogen metrics to decisions: building the implementation architecture for action 11:48&ndash;12:20 &mdash; Moderated panel discussion Moderator: Troy Baisden Panelists: Jacques Louis Vos, Azusa Oita, Wilfried Winiwarter, Miguel Quemada, Ming-Chien Su, and Morten Graversgaard

Oral [STS3]-2nd

10th International Nitrogen Conference

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[STS3-O006]The Danish N-Footprint: The Cost of Consumption and the Reactive Nitrogen Conundrum Beyond Borders

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