In line with the global agenda on environmental sustainability, Nigeria scaled up her priorities to ensure meeting this goal by putting in place useful mechanisms such as the creation of parks and greening of Lagos. Hence, this study sought, to examine the governmentâ€™s initiative towards sustaining the environment and the attitude of its citizenry. The study utilized qualitative method to obtain information from key informants, opinion leaders and program coordinators and quantitative data collection from residents of Kosofe Local Government of Lagos State. Computed coded data were analyzed into frequencies and descriptive statistics using SPSS version 16. Key informant interview revealed commitment to sustaining the initiative and community involvement was a key strategy to sustenance. Further findings revealed that 60% of the community members support the green initiative, while 70% of respondents, established willingness to contribute to the green Lagos initiative. Overall, respondents felt positive effect on their health. The green initiative is effective in sustaining a healthy living environment and further improves the environmentâ€™s aesthetics which in turn yields a sense of wellbeing. Hence, this initiative needs to be replicated in other local governments and states.