Bendixen, M, Iversen, L L, Best, J, Franks, D M, Hackney, C R, Latrubesse, E M & Tusting, L S 2021, ' Sand, gravel, and UN Sustainable Development Goals : Conflicts, synergies, and pathways forward ', One Earth, vol. 4, no. 8, pp. 1095-1111 . https://doi.org/10.1016/j.oneear.2021.07.008