AUTHOR=Yang Weiwei , Hei Yingying TITLE=Research on the high-quality development of Beijing-Tianjin-Hebei region based on SD model under the constraint of “dual carbon” target JOURNAL=Frontiers in Environmental Science VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2024.1414688 DOI=10.3389/fenvs.2024.1414688 ISSN=2296-665X