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Considering that carbon emissions are one of the main causes of climate change, it is increasingly urgent to reduce CO 2 emissions from tourism. This study aims to scientifically assess whether the digital economy can mitigate the negative environmental effects of tourism. Based on a two-way fixed effects model for a global sample of 100 countries from 2003 to 2020, this study highlights the tourism-CO 2 emissions nexus is negatively moderated by the digital economy. Specifically, while tourism development results in increased CO 2 emissions, our research shows that the digital economy can mitigate this negative impact. Furthermore, heterogeneity analyses reveal that this moderating effect is particularly pronounced in high-income countries. This study provides valuable insights for policymakers in fostering the growth of the digital economy in support of sustainable tourism development.
Jiang et al. (Sat,) studied this question.