Nigerian government has begun to develop plans that will address green buildings and environmental sustainability, a matter and issue on which Malaysia has wide-ranging experiences. Through a comparative study on green building policies in Malaysia and Nigeria, the study identified important lessons relevant to Nigeria green building policies and programmes and creates a general explanation of Malaysia green building policies that could be applicable to Nigeria. The study revealed that Malaysia has more elaborate green building policies, and implementation programmes that could have practical utility for green building developers and investors than Nigeria. The study concluded that Nigeria can in addition to adopting stronger research agenda for green building policy issues, and regulations, she could as well learn from the provisions of Malaysian GBI policy by adopting some GBI policies, programmes and incentives especially in the area of green technology that is effective to sensitize green building in Nigeria.