AUTHOR=Mitchell Carl P. J. , Oswald Claire J. , Ledford Sarah H. TITLE=Editorial: Biogeochemical dynamics in urban systems: interactions, feedbacks and cumulative effects JOURNAL=Frontiers in Environmental Science VOLUME=11 YEAR=2023 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2023.1338537 DOI=10.3389/fenvs.2023.1338537 ISSN=2296-665X