40 Years of Sustainable Tourism: Insights & Future Trends: Research by Agarwal, R., Mehrotra, A., Mishra, A. Tourism generated 5% carbon dioxide emissions and 4% of global GDP ($3.4 trillion in 2019) (UNWTO, 2019). Tourism-related activities include resource extraction, production, and waste disposal, polluting soil, oceans, and natural resources. Social media and the internet have …
