AUTHOR=Lu Haiyan , Zhao Xiaofei TITLE=Investigating the horizontal carbon ecological compensation mechanism in the Yellow River Basin: construction, validation, and policy impact JOURNAL=Frontiers in Environmental Science VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2025.1511882 DOI=10.3389/fenvs.2025.1511882 ISSN=2296-665X