AUTHOR=Qian Yuren , Jiang Jianfeng , Guo Bingnan , Hu Feng TITLE=The impact of “zero-waste city” pilot policy on corporate green transformation: a causal inference based on double machine learning JOURNAL=Frontiers in Environmental Science VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2025.1564418 DOI=10.3389/fenvs.2025.1564418 ISSN=2296-665X