Sustainability has become a prominent concern in the modern world of human resource management and requires attention. This study emphasizes the importance of integrating environmentally sustainable technologies into a circular economic system, highlighting the necessity of execution. This study conducts a thorough analysis of the current literature to explore the relationships between green human capital, green innovation, and the circular economy. It illuminates the manner in which these numerous components, when combined, contribute to sustainable development. “Green human capital” refers to the distinct qualities, knowledge, and skills that individuals possess to promote environmental sustainability. It plays a crucial role in fostering environmentally friendly innovation. Green innovation is a crucial element in the advancement of the concepts underlying the circular economy. This is achieved by creating and applying inventive products, techniques, and practices that reduce the environmental impact. The circular economy model aims to achieve the objective of decoupling economic growth from resource consumption by advocating for the reuse, recycling, and regeneration of resources. According to the results of this study, allocating resources to environmentally aware employees may improve a company's ability to participate in sustainable innovation, therefore speeding up the shift towards a circular economy. The findings emphasize the crucial importance of environmentally conscious human resources and innovation in promoting sustainable development. Additionally, it offered valuable perspectives for legislators and organizational leaders who are dedicated to environmental conservation.