Environmentally friendly economic growth: an analysis of the role of green GDP in national development: ACKNOWLEDGEMENTS: Thanks to the Innovation training project of Guangdong Ocean University: The research foundation of the Grey correlation model and data set of the Agricultural Land Guard - Farmland Security System Institute, and thanks to the Innovation and Entrepreneurship Training Program project funding of Guangdong Ocean University (CXXL2023192). ISTAER. Published online June 28, 2024:59-69. Accessed May 7, 2025. https://www.istaer.online/index.php/Home/article/view/No.2437