Current Opinion in Environmental Sustainability · 2011 · 329 citations · 37 references
EngineeringEnvironmental EngineeringAir QualityBiogeochemical CycleNutrient CycleAmmoniaReactive NitrogenClimate Change
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A safe operating space for humanity
Johan Rockström, Will Steffen, Kevin J. Noone et al. · Nature · 2009 · 12.4K citations · Full text
How a century of ammonia synthesis changed the world
Jan Willem Erisman, Mark A. Sutton, James N. Galloway et al. · Nature Geoscience · 2008 · 4.4K citations
An Earth-system perspective of the global nitrogen cycle
Nicolas Gruber, James N. Galloway · Nature · 2008 · 3.5K citations · Full text
James N. Galloway, John D. Aber, Jan Willem Erisman et al. · BioScience · 2003 · 2.9K citations · Full text