The article explores how foreign investment affects economic growth and the environment. Different economic growth models are compared, showing that growth can be driven by both internal and external factors. The impact of foreign investment on economic growth varies between developing and developed countries. It is found that economic growth can lead to increased foreign investment, and vice versa. The relationship between foreign investment, economic growth, and the environment is complex, with external factors also playing a role in reducing negative effects. The study highlights the interconnectedness of these factors and the need to consider them together when analyzing economic growth and environmental concerns.