AUTHOR=Subramanian K. A. , Salvi Bheru Lal TITLE=Editorial: Renewable energy systems for sustainable cities JOURNAL=Frontiers in Sustainable Cities VOLUME=5 YEAR=2023 URL=https://www.frontiersin.org/journals/sustainable-cities/articles/10.3389/frsc.2023.1210359 DOI=10.3389/frsc.2023.1210359 ISSN=2624-9634