The general purpose of this research was to examine the environmental awareness levels of pre-service teachers in terms of socio-demographic characteristics. In the research, general survey model was used. The research group of the study constituted 550 pre-service teachers who were studying at different departments of the Faculty of Education at Niğde University. In order to collect data, 'Personal Information Form' (PIF) and 'Environmental Attitude Scale' (EAS) developed by Okur-Berberoğlu (2015) were used in the study. In the analysis of the data, t-test, ANOVA, multiple regression statistical procedures were applied. As a result of the study, there was a significant difference in favor of girls, participation in an environmental activity and encountering environmental problem variables. The most powerful predictors among the socio-demographic characteristics, whose effect on preservice teachers’ environmental awareness were participation in an environmental activity and encountering an environmental problem variable.