The study by Dewi Puspaningtyas Faeni examines the impact of Green Human Resources Management (GHRM) policies and knowledge on the environmental performance of employees in the public transportation sector. Using data from 1130 respondents, the research employs SmartPLS modeling to analyze the mediating roles of GHRM policies and knowledge. The findings indicate that GHRM significantly affects the environmental performance of public transportation employees, mediated by the roles of GHRM policies and knowledge. The study suggests that public transportation companies can enhance employee engagement and environmental impact by developing plans to foster a sense of belonging and environmental responsibility among their workforce. The research highlights the importance of aligning organizational policies with individual behavior to achieve environmental sustainability goals. The study also emphasizes the need for effective leadership and well-defined procedures to implement environmentally conscious business strategies. Additionally, it underscores the role of human resource management in promoting a sustainable culture within organizations. The findings provide insights for companies to integrate green practices into their business strategies and create a positive environmental impact.The study by Dewi Puspaningtyas Faeni examines the impact of Green Human Resources Management (GHRM) policies and knowledge on the environmental performance of employees in the public transportation sector. Using data from 1130 respondents, the research employs SmartPLS modeling to analyze the mediating roles of GHRM policies and knowledge. The findings indicate that GHRM significantly affects the environmental performance of public transportation employees, mediated by the roles of GHRM policies and knowledge. The study suggests that public transportation companies can enhance employee engagement and environmental impact by developing plans to foster a sense of belonging and environmental responsibility among their workforce. The research highlights the importance of aligning organizational policies with individual behavior to achieve environmental sustainability goals. The study also emphasizes the need for effective leadership and well-defined procedures to implement environmentally conscious business strategies. Additionally, it underscores the role of human resource management in promoting a sustainable culture within organizations. The findings provide insights for companies to integrate green practices into their business strategies and create a positive environmental impact.