evidence: - Intertraffic 15 Minute City: Urban Mobility Solution to the Environment? Available online: https://www.intertraffic.com/news/15-minute-city-urban-mobility-solution-to-environment/ (accessed on 31 July 2021). [...] - Borneman, E. What Are 15-Minute Cities? Available online: https://www.geographyrealm.com/what-are-15-minute-cities/ (accessed on 31 July 2021). [...] - Sisson, P. What Is a 15-Minute City? Available online: https://citymonitor.ai/environment/what-is-a-15-minute-city (accessed on 1 August 2021).