Castner, E., Leach, A., Leary, N., Baron, J., Compton, J., Galloway, J., … Ryals, R. (2017). The Nitrogen Footprint Tool Network: A Multi-Institution Program To Reduce Nitrogen Pollution. Sustainability (New Rochelle, N.Y.), 10(2), 79-88. https://doi.org/10.1089/sus.2017.29098.eac (Original work published 2017)