AUTHOR=Pengsheng Sun , Nisar Dr. Ubair , Qiao Zhiyuan , Ahmad Shadab , KATHURIA KHYATI , Al Bahir Areej , Ahmad Mahmood TITLE=Digital economy, technology, and urban carbon emissions nexus: an investigation using the threshold effects and mediation effects tests JOURNAL=Frontiers in Environmental Science VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2024.1454256 DOI=10.3389/fenvs.2024.1454256 ISSN=2296-665X