In the context of sustainable hospitality, the empowerment of employees in embracing environmentally responsible practices is increasingly recognized as a driver of organizational performance. This study investigates the influence of Green Empowerment on Environmental Performance, with Green Innovative Work Behavior serving as a mediating factor. The research addresses the question of how empowering frontline employees can foster pro-environmental behaviors that contribute to measurable improvements in hotel sustainability outcomes. A quantitative research design was employed using a survey method, targeting a sample of 150 frontline hotel employees in Indonesia selected through purposive sampling. Data were analyzed using WarpPLS to test the proposed structural model and relationships among variables. The analysis reveals that Green Empowerment has a significant positive effect on Green Innovative Work Behavior, which in turn significantly enhances Environmental Performance. Moreover, the mediating role of Green Innovative Work Behavior highlights the importance of fostering creativity and innovation in environmental practices to translate empowerment into tangible sustainability outcomes. The synthesis of findings suggests that hotels can strengthen their environmental performance by cultivating empowerment initiatives that encourage employees to develop and implement innovative green practices. This study concludes that frontline employee engagement through empowerment and innovative behavior is a strategic pathway for the hospitality industry to achieve sustainable performance.