Valuing damages and benefits of the altered global nitrogen cycle; lessons for national to global policy support

van Grinsven, Hans J.M. ORCID: https://orcid.org/0000-0001-7304-0706; Gu, Baojing ORCID: https://orcid.org/0000-0003-3986-3519; Rodríguez, Alfredo; Jones, Laurence ORCID: https://orcid.org/0000-0002-4379-9006; Brouwer, Roy; Schulte-Uebbing, Lena; Pacheco, Felipe S.; Lassaletta, Luis ORCID: https://orcid.org/0000-0001-9428-2149; Hayashi, Kentaro ORCID: https://orcid.org/0000-0002-2936-9544; van Dam, Jan; Raghuram, Nandula ORCID: https://orcid.org/0000-0002-9486-754X; Geupel, Markus ORCID: https://orcid.org/0000-0001-9389-5680; Ebanyat, Peter; Zhang, Xiuming; Lord, Steven ORCID: https://orcid.org/0000-0002-6142-5358; de Bruyn, Sander; Sutton, Mark A. ORCID: https://orcid.org/0000-0002-1342-2072. 2025 Valuing damages and benefits of the altered global nitrogen cycle; lessons for national to global policy support. Environmental Research Letters. 10.1088/1748-9326/adf07c

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Abstract/Summary

Cost-benefit analysis (CBA) is increasingly used to inform environmental policy decisions by identifying interventions with the highest net societal benefits. Here we focus on CBAs for nitrogen (NCBA) explaining its history, presenting results of a recent first global NCBA and discussing opportunities and limitations. NCBAs have been conducted since the late 1990s for various geographic regions in Europe the US and China mostly to support air quality and also eutrophication policies. A first valuation of damages and benefits of the full nitrogen (N) cycle was conducted for the European Nitrogen Assessment in 2011, followed by NCBAs for the USA, the Netherlands and Germany. Here we present a first comprehensive global NCBA. Total global damage cost of N pollution in 2010 was estimated at US$1.1 trillion, primarily from increases in premature mortality by N derived PM2.5 (35%), terrestrial biodiversity loss by N deposition (33%), and marine eutrophication by N river loads (21%). Global benefits of N in 2010 were estimated at US$ 2.2 trillion with >95% from increased crop yields. By 2050, global N-related costs rise faster than N benefits because underlying models project that economic growth (GDP) increases willingness-to-pay to prevent N pollution more than crop prices. The geographical distribution of N-related costs will also shift, with China and India surpassing Europe and North America as regions contributing most to global N-related costs. The estimated N cost range for 2010 was US$ 0.6-2.2 trillion with uncertainty largely in dose-impact and damage cost relations. Given the large uncertainties, when using valuation and NCBA to select a N mitigation option, the net benefits should be substantially higher than the costs and markedly better than for a rejected alternative option. Use of NCBA is discouraged to compare international policy options that involve regions with very different levels of GDP, cultures and political systems.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1088/1748-9326/adf07c
UKCEH and CEH Sections/Science Areas:	Land-Atmosphere Interactions (2025-)
ISSN:	1748-9326
Additional Information:	Open Access paper - full text available via Official URL link.
Additional Keywords:	nitrogen cascade, nitrate, ammonia, air pollution, eutrophication, fertilizer, externalities
NORA Subject Terms:	Atmospheric Sciences
Date made live:	22 Jul 2025 13:49 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/539919

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