AUTHOR=Liang Zhiqiang , Shen Yao , Yang Kunyu , Kuang Jinsong TITLE=The role of high-tech certification in enterprise green innovation: from the perspectives of substantive innovation and strategic innovation JOURNAL=Frontiers in Environmental Science VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2025.1539990 DOI=10.3389/fenvs.2025.1539990 ISSN=2296-665X