Green university model is now developing dramastically, spreading and becoming a mainstream trend in world higher education. Main features of this trend are universities integrating sustainable development goals into their operations, implementing their mission in building a prosperous and safe society. With key solutions using modern technology and techniques, universities strive to develop smart educational ecosystems, explore natural resources to improve quality of life, and participate in combating climate change, solving ecological problems of resources and human health. A number of green university rankings have been created, becoming a place to encourage the trend of developing green university model as a breakthrough solution for smart universities. Based on the approach of content and trend of green university development, the article presents some recommendations for green development in Vietnamese universities.