UI GreenMetric team had an opportunity to speak in The IREG-8 Conference at Lisbon, represented by Prof. Dr. Ir. Riri Fitri Sari, M. Sc., M.M. There were 168 participants from various institutions attended the IREG Conference 2016. The speakers emphasized that the objectives of ranking is one of the evaluation methods for every single Universities to increase the education and research quality. The parallel sessions of the conference discussed the potential impact of ranking system in internationalization, ranking development and academic excellence,  and the future of internationalization and rankings. Ranking is also the power to internationalization that has an important role in establishing inter-university networking. The ratings should have applied specifically, as is done by UI GreenMetric World University Ranking. Marco Antonio Zaco as a Rector of University of Sao Paolo Brazil said that UI GreenMetric Ranking is one of the flagship program of the University of Indonesia for its internationalization. UI will not only be the participant of ranking but it would like to contribute to the noble task of creating the best role model infrastructure for learning and research and future leaders empowered with sustainable cultures.