what are the new and emerging ways in which ecological understanding is changing how we design and manage cities

Aronson et al. 2017 give their take on the major challenges to managing biodiversity in urban green space. What do you find to be their most compelling points and why? What do you find to be least compelling and why? If you were to use their arguments to convince your oldest, most conservative relative that urban biodiversity was something to aim for, do you think they would be convinced? Why or why not?