<p>This research uses panel data from 2006 to 2019 to investigate the impact of financial development on CO₂ emissions and their structure from both academic and experimental viewpoints in Bangladesh. Studies show that Bangladesh’s financial development has significantly reduced the country’s overall CO₂ emission intensity. When considering the spatial effect, financial development has made the district’s CO₂ emissions significantly higher while lowering those of neighboring locations. Several robustness tests have yet to definitively establish the finding; a heterogeneity analysis shows that municipalities’ CO₂ emissions have openly increased as a result of financial development. According to the data, financial development mostly reduces the intensity of CO₂ emissions through improved industrial structure and technological improvement. It provides a thorough framework that is rarely used in poor economies by introducing an interaction term to handle endogeneity. The analysis, which focuses on Bangladesh’s understudied setting, advances knowledge of the factors that contribute to emissions and offers subtle insights into the ways that industrial structure, technology, and finance interact spatially to affect environmental outcomes in low-income, geographically varied countries. Effective resource allocation, industrial modernization, and technological advancement all essential for low-carbon growth are made possible by financial development. Sustainable emission-reducing economic modernization depends on providing incentives for green entrepreneurship and the growth of the tertiary sector through customized financing instruments.</p>