The study analyses the changing dynamics of sustainability and marketing strategies in Egypt’s developing market, investigating the transformational capacity where environment in light of increasing worldwide environmental awareness. The study utilizes the mixed-method research approach and combines with the theoretical frameworks like diffusion of theory and Value-belief norm. The literature study highlights the importance of green marketing in promoting goods and services that are ecologically sustainable. The study explores the adoption of eco-friendly marketing strategies through large companies, revealing a positive correlation between green marketing methods and customer environmental consciousness, emphasizing the needs for improved regulatory frameworks and industry standards. The study suggests that while Corporate Social Responsibility programs positively impact companies of Egypt reputation and performance, there is no significant correlation in this context. The study suggests that through enhancing legislation, providing consumer education, implementation new CSR activities, fostering industry cooperation and adjusting green marketing strategies to promote sustainability and environmental responsibility.