AUTHOR=Fan Xuncheng , Zhao Lili TITLE=Land use policy and green utilization efficiency in border cities: evidence from northeastern China’s carbon reduction practice JOURNAL=Frontiers in Environmental Science VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2025.1582896 DOI=10.3389/fenvs.2025.1582896 ISSN=2296-665X