AUTHOR=Li Youhui , Chen Beichuan , Guo Lifeng , Kang Jie TITLE=Analysis of the impact of the digital economy system on carbon emissions and carbon footprint from the perspective of high-quality development JOURNAL=Frontiers in Environmental Science VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2025.1443405 DOI=10.3389/fenvs.2025.1443405 ISSN=2296-665X