AUTHOR= TITLE=Expression of Concern: How does a good environment affect firms’ productivity? Evidence from urban public green spaces in China JOURNAL=Frontiers in Energy Research VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2024.1548184 DOI=10.3389/fenrg.2024.1548184 ISSN=2296-598X