Analysis of the Impact of Economic Policy Uncertainty on Environmental Sustainability in Developed and Developing Economies

The literature on the impact of policy uncertainty climate change has grown rapidly in recent years as policymakers and researchers have become increasingly concerned about potential adverse effects environmental sustainability. This study aims to investigate economic (EPU), GDP per capita, renewable energy consumption (REC), foreign direct investment (FDI) sustainability from perspectives Kuznets curve (EKC) pollution halo/haven hypotheses. research employs panel data analysis techniques, including corrected standard errors (PCSE) generalized least squares (GLS), analyze a 19 developed developing countries 2001 2019. results reveal that EPU, REC, FDI significantly GHG emissions, contributing change. confirm U-shaped EKC haven hypothesis selected economies. findings this provide valuable insights for policymakers, they highlight need consider interplay between growth, investment, addressing also suggest reducing promoting sustainable growth can mitigate ensure