Furthermore, if globalization increases, it would be beneficial for the environmental performance moreover, among specific dimensions of globalization, economic globalization, social globalization and political globalization would bring about better environmental performance. The empirical results suggest that globalization is critical to environmental performance, which is reliable while we conduct several robustness tests. This study aims to examine the impact of globalization on environmental performance by employing panel data for 148 countries from 2001 to 2018, via the indicator of Environmental Performance Index to capture the overall environmental quality and KOF index to measure the multi dimensions of globalization.