AUTHOR=García-Ayllón Veintimilla Salvador , Miralles-Garcia Josep Lluís , Sowińska-Świerkosz Barbara TITLE=Editorial: Challenges in sustainable urban planning and territorial management for the XXI century JOURNAL=Frontiers in Environmental Science VOLUME=11 YEAR=2023 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2023.1252835 DOI=10.3389/fenvs.2023.1252835 ISSN=2296-665X