The Danish nitrogen footprint: balancing regulation with individual environmental responsibility

Anthropogenic production of reactive nitrogen (N _r ) amplifies the negative impact of excess N _r on the environment, causing harm to both ecosystems and human health. N-footprint tools offer a valuable method for predicting N _r emissions, helping to identify leakage points across the entire produ...

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Bibliographic Details
Published in:Environmental Research Letters
Main Authors: Jacques Louis Vos, Allison M Leach, James N Galloway, Tommy Dalgaard, Morten Graversgaard
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
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Online Access:https://doi.org/10.1088/1748-9326/adc0b2
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Summary:Anthropogenic production of reactive nitrogen (N _r ) amplifies the negative impact of excess N _r on the environment, causing harm to both ecosystems and human health. N-footprint tools offer a valuable method for predicting N _r emissions, helping to identify leakage points across the entire production chain, from farm to plate. This study estimates the N-footprint of an average Danish individual based on population-based consumption patterns. The results indicate an annual N-footprint of 27.5 kg N cap ^−1 yr ^−1 . Food production and consumption account for 82% of the N-footprint, with agricultural production and consumption at 22.7 Kg N cap ^−1 yr ^−1 . Goods and services constitute 12% of the footprint (3.2 kg N cap ^−1 yr ^−1 ), followed by transport at 4% (1.1 kg N cap ^−1 yr ^−1 ) and housing at 2% (0.5 kg N cap ^−1 yr ^−1 ). Denmark has implemented extensive environmental policies that have successfully mitigated part of the N _r load to the environment. While top–down regulatory frameworks play a crucial role, this study emphasizes the significance of individual agency in shaping consumption patterns and reducing N _r emissions. A holistic approach to N _r management is essential, integrating stringent regulations with community-driven initiatives. The study highlights three key abatement strategies for Denmark: (1) shifting Danish meat and meat derived consumption (71% of the diet) towards more plant-based alternatives, (2) improving nitrogen use efficiency at the farm gate level and (3) reducing waste and enhancing recycling throughout the entire farm-to-plate supply chain. By combining policy-driven measures with individual actions, Denmark can further mitigate the environmental impact of N _r .
ISSN:1748-9326