This research was conducted to study the level of environmental literacy, attitude and behaviour of students in the Faculty of Health Sciences, UKM. A Google Form consisting of four sections: Demographic Information, Environmental Knowledge, Attitude, Practice and Challenges were distributed to students. Each section was scored based on the right answers given by the students. In this study, it was found that Nutritional Science Program students had the highest environmental knowledge, while Dietetics students practised the highest environmental attitude among the other courses. The second objective revealed a positive correlation r = 0.297; p < 0.05 between environmental knowledge and attitude among the students. However, this is a weak correlation, which means that students with higher levels of knowledge do not tend to have higher attitudes and vice versa. Students' main challenges to practice good environmental behaviour are lack of knowledge in the correct way of practising those behaviour. Poor legal enforcement is the second most reason why students take environmental issues for granted. Last but not least, the environmental challenges are directly proportional to the environmental attitude. In other words, when environmental challenges increase, the environmental attitude decreases. In conclusion, students' attitude towards the environment may always improve depending on their individual effort to contribute to a better environment.