AUTHOR= TITLE=Retraction: Nexus between green finance, energy efficiency, and carbon emission: COVID-19 implications from BRICS countries JOURNAL=Frontiers in Energy Research VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2025.1675291 DOI=10.3389/fenrg.2025.1675291 ISSN=2296-598X