After the Rio United Nations Conference on Enviroment and Development, the need of sustainable development obtained recognition from the vast majority of countries and organization. Human society entered a new development period. More and more people know about sustainable  development. Education for sustainable development is a concern for the world where university can make a  contribution. Students who are the majority in a university, their knowledge, awarenss and action will play an important role to promote sustainable development.  

The purpose if this thsis is to study if there is any difference in students' knowledge and awareness on sustainable development in university, based on the comparison betweet freshmen and seniors. Through the comparison, this will explore if students' knowledge and awareness is influence  to their action. This thesis does a literature review to understand deeply about sustainable development and explores students' knowledge, awareness and actions of sustainable development through questionnaire. 

The analysis of data from the questionnaire indicates that their knowledge and awareness influences their actions. The freshmen and seniors have difference in knowledge and awareness. Knowledge of students on sustainable development appears to have increased slightly during years study. However, as the knowledge increased, there is not much difference in their knowledge and awareness of sustainable development. Based on the different degree of knowledge and awareness, seniors appear to do better than freshmen in their actions.