The impact of regional environmental governance efficiency on residents’ life satisfaction—an empirical analysis of panel data from 21 cities in Guangdong Province, China (2001–2023)

In Guangdong, a region marked by rapid urbanization and economic dynamism, efficient environmental governance mitigates pollution and enhances urban livability, positively impacting residents' mental health. This study demonstrates that efficient environmental governance in Guangdong Province significantly enhances residents' life satisfaction by improving living conditions and supporting mental wellbeing, offering a replicable model for sustainable development in rapidly growing economies.