Initiatives of Green management have become an important factor in businesses that are thinking ahead around the world. Researchers have argued that employees must be inspired, empowered and be made environmentally aware of greening in order for them to carry out green management initiatives. The study therefore sought to evaluate the influence of green performance management practice on environmental sustainability in selected service based state corporations in Kenya. The study adopted a descriptive design but specifically a survey which involved collecting data from five state corporations in order to test hypotheses of the study. The target population was the managerial staff in state corporations in Kenya. The sample size was 122 respondents; 22 top level management, 33 middle level management and 67 Supervisors/ line managers from five service based State Corporations in Nairobi. Multistage sampling was adopted to select the individual subjects randomly. Primary data was collected using a self - administered semi structured questionnaire while secondary data was collected from journals and databases. Pilot study was carried out to determine the reliability of the instrument while validity was tested through discussions with the supervisors and experts. Data was analyzed quantitatively and both descriptive and inferential statistics was used. Multiple regression model was used to establish the relationship between the independent variable and the dependent variable which are explained in the model. The results was presented in form of frequency tables and percentages. The study assists organizations appreciate and implement the relevant Green Human Resource Practices. The study found that green performance management practice had a high influence on environmental sustainability. It had a positive significance as shown by a coefficient of 1.006. The study recommended that state corporations in Kenya to adopt green performance management practices initiatives that are geared towards enhancing environmental sustainability in State Corporations in Kenya.