@article {Ozbek2015,
	title = {{Estimating the gross nitrogen budget under soil nitrogen stock changes: A case study for Turkey}},
	journal = {Agriculture, Ecosystems {\&} Environment},
	volume = {205},
	year = {2015},
	month = {jul},
	pages = {48{\textendash}56},
	keywords = {agricultural production, budget, carbon, mypublications, nitrogen, soil},
	issn = {01678809},
	doi = {10.1016/j.agee.2015.03.008},
	url = {http://linkinghub.elsevier.com/retrieve/pii/S0167880915000924},
	author = {{\"O}zbek, Fethi {\c S}aban and Leip, Adrian}
}
@article {Leip2015a,
	title = {{Impacts of European livestock production: nitrogen, sulphur, phosphorus and greenhouse gas emissions, land-use, water eutrophication and biodiversity}},
	journal = {Environmental Research Letters},
	volume = {10},
	number = {11},
	year = {2015},
	pages = {115004},
	publisher = {IOP Publishing},
	abstract = {Livestock production systems currently occupy around28{\%}of the land surface of the European Union (equivalent to65{\%}of the agricultural land). Inconjunction with otherhumanactivities, livestock production systems affect water, air and soil quality, global climate and biodiversity, altering the biogeochemical cycles of nitrogen, phosphorus and carbon. Here,we quantify the contribution of European livestock production to these major impacts. For each environmental effect, the contribution of livestock is expressed as shares of the emitted compounds and land used, as compared to the whole agricultural sector. The results show that the livestock sector contributes significantly to agricultural environmental impacts. This contribution is78{\%}for terrestrial biodiversity loss,80{\%}for soil acidification and air pollution (ammoniaand nitrogen oxides emissions),81{\%}for global warming, and73{\%}for water pollution (bothNandP). The agriculture sector itself is one of the major contributors to these environmental impacts, ranging between12{\%}for global warming and59{\%}for Nwater quality impact. Significant progress in mitigating these environmental impacts in Europe will only be possible through a combination of technological measures reducing livestock emissions, improved food choices and reduced food waste of European citizens. Introduction},
	keywords = {air quality, biodiversity loss, Climate Change, coastal eutrophication, European Union, livestock production, soil acidification},
	isbn = {1748-9318},
	issn = {1748-9326},
	doi = {10.1088/1748-9326/10/11/115004},
	url = {http://stacks.iop.org/1748-9326/10/i=11/a=115004?key=crossref.b8ce885804d5c860e008c03ed18e7ab8 https://zenodo.org/record/58514{\#}.WLQb4zsrKXr},
	author = {Leip, Adrian and Billen, Gilles and Garnier, Josette and Grizzetti, Bruna and Lassaletta, Luis and Reis, Stefan and Simpson, David and Sutton, Mark A. and De Vries, Wim and Weiss, Franz and Westhoek, Henk}
}
@article {Hutton2017,
	title = {{Toward a nitrogen footprint calculator for Tanzania}},
	journal = {Environmental Research Letters},
	volume = {12},
	number = {3},
	year = {2017},
	abstract = {{\textcopyright} 2017 IOP Publishing Ltd.We present the first nitrogen footprint model for a developing country: Tanzania. Nitrogen (N) is a crucial element for agriculture and human nutrition, but in excess it can cause serious environmental damage. The Sub-Saharan African nation of Tanzania faces a two-sided nitrogen problem: while there is not enough soil nitrogen to produce adequate food, excess nitrogen that escapes into the environment causes a cascade of ecological and human health problems. To identify, quantify, and contribute to solving these problems, this paper presents a nitrogen footprint tool for Tanzania. This nitrogen footprint tool is a concept originally designed for the United States of America (USA) and other developed countries. It uses personal resource consumption data to calculate a per-capita nitrogen footprint. The Tanzania N footprint tool is a version adapted to reflect the low-input, integrated agricultural system of Tanzania. This is reflected by calculating two sets of virtual N factors to describe N losses during food production: one for fertilized farms and one for unfertilized farms. Soil mining factors are also calculated for the first time to address the amount of N removed from the soil to produce food. The average per-capita nitrogen footprint of Tanzania is 10 kg N yr-1. 88{\%} of this footprint is due to food consumption and production, while only 12{\%} of the footprint is due to energy use. Although 91{\%} of farms in Tanzania are unfertilized, the large contribution of fertilized farms to N losses causes unfertilized farms to make up just 83{\%} of the food production N footprint. In a developing country like Tanzania, the main audiences for the N footprint tool are community leaders, planners, and developers who can impact decision-making and use the calculator to plan positive changes for nitrogen sustainability in the developing world.},
	keywords = {nitrogen, nitrogen footprint, Sub-Saharan Africa, Tanzania},
	issn = {17489326},
	doi = {10.1088/1748-9326/aa5c42},
	author = {Hutton, M.O. and Leach, Allison M. and Leip, Adrian and Galloway, James N. and Bekunda, M. and Sullivan, C. and Lesschen, J.P.}
}
@article {Kanter2020,
	title = {{A framework for nitrogen futures in the shared socioeconomic pathways}},
	journal = {Global Environmental Change},
	year = {2020},
	keywords = {corresponding author, s},
	author = {Kanter, David R and Winiwarter, Wilfried and Bodirsky, Benjamin and Bouwman, Lex and Boyer, Elizabeth and Buckle, Simon and Compton, Jana and Dalgaard, Tommy and wim de Vries and Lecl{\`e}re, David and Leip, Adrian and Muller, Christoph and Popp, Alexander and Raghuram, Nandula and Rao, Shilpa and Sutton, Mark A. and Tian, Hanqin and Westhoek, Henk and Zhang, Xin and Zurek, Monika}
}
@article {Carlo,
	title = {{Sustainable food protein supply reconciling human and ecosystem health: A Leibniz Position}},
	journal = {Global Food Security},
	volume = {25},
	year = {2020},
	month = {jun},
	pages = {100367},
	keywords = {corresponding author, s},
	issn = {22119124},
	doi = {10.1016/j.gfs.2020.100367},
	url = {https://linkinghub.elsevier.com/retrieve/pii/S2211912420300201},
	author = {Weindl, Isabelle and Ost, Mario and Wiedmer, Petra and Schreiner, Monika and Neugart, Susanne and Klopsch, Rebecca and K{\"u}hnhold, Holger and Kloas, Werner and Henkel, Ina M. and Schl{\"u}ter, Oliver and Bu{\ss}ler, Sara and Bellingrath-Kimura, Sonoko D. and Ma, Hua and Grune, Tilman and Rolinski, Susanne and Klaus, Susanne}
}
@article {Vanham2020,
	title = {{Sustainable food system policies need to address environmental pressures and impacts: The example of water use and water stress}},
	journal = {Science of The Total Environment},
	volume = {730},
	year = {2020},
	month = {aug},
	pages = {139151},
	publisher = {The Authors},
	keywords = {EU, Food system, Policy, Sustainable, Water stress, Water use},
	issn = {00489697},
	doi = {10.1016/j.scitotenv.2020.139151},
	url = {https://doi.org/10.1016/j.scitotenv.2020.139151 https://linkinghub.elsevier.com/retrieve/pii/S0048969720326681 https://doi.org/10.1016/j.bbamem.2019.183135},
	author = {Vanham, Davy and Leip, Adrian}
}
