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Cross-sectional analysis of socioeconomic drivers of PM2.5 pollution in emerging SAARC economies. | LitMetric

Cross-sectional analysis of socioeconomic drivers of PM2.5 pollution in emerging SAARC economies.

Sci Rep

School of Business Administration, Xi'an Eurasia University, No. 8 Dongyi Road, Yanta District, Xi'an, 710065, Shaanxi, China.

Published: July 2024

AI Article Synopsis

  • Haze pollution in the SAARC region highlights severe environmental degradation, despite efforts to reduce greenhouse gas emissions, as these countries often rank among the most polluted globally.
  • This study analyzes haze pollution from 1998 to 2020 using advanced econometric methods, revealing significant relationships between PM2.5 levels, economic development, rainfall, and temperature.
  • The findings advocate for evidence-based policies that emphasize green economic strategies, forest conservation, eco-friendly energy technologies, and climate-sensitive policies to effectively reduce air pollution and improve public health.

Article Abstract

Within the intricate interplay of socio-economic, natural and anthropogenic factors, haze pollution stands as a stark emblem of environmental degradation, particularly in the South Asian Association for Regional Cooperation (SAARC) region. Despite significant efforts to mitigate greenhouse gas emissions, several SAARC nations consistently rank among the world's most polluted. Addressing this critical research gap, this study employs robust econometric methodologies to elucidate the dynamics of haze pollution across SAARC countries from 1998 to 2020. These methodologies include the Pooled Mean Group (PMG) and Augmented Mean Group (AMG) estimator, Panel two-stage least squares (TSLS), Feasible Generalized Least Squares (FGLS) and Dumitrescu-Hurlin (D-H) causality test. The analysis reveals a statistically significant cointegrating relationship between PM2.5 and economic indicators, with economic development and consumption expenditure exhibiting positive associations and rainfall demonstrating a mitigating effect. Furthermore, a bidirectional causality is established between temperature and economic growth, both influencing PM2.5 concentrations. These findings emphasize the crucial role of evidence-based policy strategies in curbing air pollution. Based on these insights, recommendations focus on prioritizing green economic paradigms, intensifying forest conservation efforts, fostering the adoption of eco-friendly energy technologies in manufacturing and proactively implementing climate-sensitive policies. By embracing these recommendations, SAARC nations can formulate comprehensive and sustainable approaches to combat air pollution, paving the way for a healthier atmospheric environment for their citizens.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11252395PMC
http://dx.doi.org/10.1038/s41598-024-67199-zDOI Listing

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