The prime objective of the present study was to assess the impact of green training; green shared vision and Green employee involvement practices on organizational citizenship behaviour environment and environmental performance of the textile sector of Indonesia. Moreover, the mediating role of OCBE is examined, as well. The data was collected from the employees of the textile sector through survey method. The response rate of the study was 59.83%. The tool employed for analysis was PLS 3.2.9. the findings of the study confirm the mediating role of OCBE between green training, green shared vision and Green employee involvement practices and environmental performance. Moreover, the direct impact of green training, green shared vision and Green employee involvement practices on OCBE is also supported by the findings of the study. Present the study fills the gap of limited studies conducted regarding environmental issues. The findings of the study are helpful for practitioners and policymakers of the textile sector to use HRM strategies in order to improve environmental performance.