The Environmental Kuznets Curve (EKC) theory, linking pollution to income, has been a hot topic since 1991. Over 3,000 research papers have delved into this connection. Recently, interest in EKC has surged, with China being a key player in this exploration. The top subjects discussing EKC include environmental science, economics, and energy. The favorite keywords in these papers are Kuznets Curve, Environmental Kuznets Curve, Economic Growth, Carbon Dioxide, and Economic Development. The research shows a growing interest in how income impacts the environment and the factors influencing this relationship.