AUTHOR=Liu Anzhi , Yang Shuguo TITLE=Study on the spatio-temporal coupling and drivers of agricultural carbon emission efficiency and food security JOURNAL=Frontiers in Environmental Science VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2024.1503733 DOI=10.3389/fenvs.2024.1503733 ISSN=2296-665X