Keeler, B. L., Hamel, P. ., McPhearson, T. ., Hamann, M. H., Donahue, M. L., Meza Prado, K. A., … Wood, S. A. (2019). Social-ecological and technological factors moderate the value of urban nature. Nature Sustainability, 2(1), 10. http://doi.org/10.1038/s41893-018-0202-1