Schreiber, T., Opperman, S., Hardin, R., Cavicchi, J., Pallmeyer, A., Nace, K. and Love, N. (2021) “Nested risks and responsibilities: Perspectives on fertilizer from human urine in two U.S. regions”, Journal of Agriculture, Food Systems, and Community Development. Ithaca, NY, USA, 10(3), pp. 221–242. doi: 10.5304/jafscd.2021.103.016.