Foreword: Framing the vertical of this Special Issue

ALIBAŠIĆ, H. (2017), ‘Measuring the Sustainability Impact in Local Governments Using the Quadruple Bottom Line’, The International Journal of Sustainability Policy and Practice, 13 (3), pp. 37−45. https://doi.org/10.18848/2325-1166/CGP/v13i03/37-45 DOI: https://doi.org/10.18848/2325-1166/CGP/v13i03/37-45

BBSR – FEDERAL INSTITUTE FOR RESEARCH ON BUILDING, URBAN AFFAIRS AND SPATIAL DEVELOPMENT (ed.) (2021), National Progress Report on the implementation of the New Urban Agenda. BBSR-Online-Publikation 03/2021, https://www.bbsr.bund.de/BBSR/EN/publications/OnlinePublications/2021/bbsr-online-03-2021-dl.pdf?__blob=publication-File&v=4 [accessed on: 17.03.2023].

BBSR – FEDERAL INSTITUTE FOR RESEARCH ON BUILDING, URBAN AFFAIRS AND SPATIAL DEVELOPMENT (ed.) (2022), Implementing the 2030 Agenda locally through urban development. Cities, towns, villages and counties in a data- and guiding principle-based dialogue on urban development-related aspects of global sustainability. Research Project, https://www.bbsr.bund.de/BBSR/EN/research/programs/ExWoSt/year/2022/agenda-2030/01-start.html [accessed on: 17.03.2023].

UNITED NATIONS, GENERAL ASSEMBLY (2015), Transforming our World: The 2030 Agenda for Sustainable Development. A/RES/70/1.

UNITED NATIONS, GENERAL ASSEMBLY (2017), New Urban Agenda. A/RES/71/256.

WONG, C., HESSE, M. and SIGLER, T. J. (2022), ‘City-states in relational urbanization: the case of Luxembourg and Singapore’, Urban Geography, 43 (4), pp. 501–522. https://doi.org/10.1080/02723638.2021.1878331 DOI: https://doi.org/10.1080/02723638.2021.1878331

ZHANG, Z. (2017), ‘Planetary Urbanism – The Transformative Power of Cities’, [in:] BBSR – Bundesinstitut für Bau-, Stadt- und Raumforschung (ed.) (2017), Die New Urban Agenda. Konsequenzen für die Stadtentwicklung. Informationen zur Raumentwicklung (IzR), Heft 3/2017, pp. 48–63, Bonn.