@article {Sutton2011a,
	title = {{Too much of a good thing.}},
	journal = {Nature},
	volume = {472},
	number = {7342},
	year = {2011},
	month = {apr},
	pages = {159{\textendash}61},
	keywords = {agriculture, Agriculture: economics, Animals, Biodiversity, Climate Change, Cost-Benefit Analysis, Diet, Environmental Pollution, Environmental Pollution: adverse effects, Environmental Pollution: analysis, Environmental Pollution: economics, Environmental Pollution: statistics {\&} numerical da, Fertilizers, Fertilizers: analysis, Food Supply, Fossil Fuels, Humans, International Cooperation, Meat, Meat: utilization, nitrogen, Nitrogen Fixation, Nitrogen: adverse effects, Nitrogen: analysis, Nitrogen: economics, Nitrogen: metabolism, Reactive Nitrogen Species, Reactive Nitrogen Species: adverse effects, Reactive Nitrogen Species: analysis, Reactive Nitrogen Species: chemistry, Reactive Nitrogen Species: metabolism},
	issn = {1476-4687},
	doi = {10.1038/472159a},
	url = {http://www.ncbi.nlm.nih.gov/pubmed/21478874},
	author = {Sutton, Mark A. and Oenema, Oene and Erisman, Jan Willem and Leip, Adrian and van Grinsven, Hans and Winiwarter, Wilfried}
}
