Ecological literacy (Eco literacy) along with creative thinking skills can be utilised to overcome environmental problems to achieve environmental sustainability. This research analyses the correlation between ecological literacy and students' creative thinking skills of environmental problems. The research method is quantitative with a correlational study. The research respondents include 281 pupils of Grade 11 MIPA (Science) from three areas in Indonesia: Jakarta, Sumatera, and Gorontalo. Data collection consists of a write test and an opinion-seeking questionnaire. Ecological literacy analysis consists of caring, practical competence, and knowledge dimensions. Creative thinking skills are analysed through fluency, originality, flexibility, and elaboration dimensions. The results indicate that ecological literacy and creative thinking skills levels in grade 11 MIPA in a medium category. Female students have a higher average score in ecological literacy and creative thinking skills than in male students. The research finds a positive relationship between ecological literacy and creative thinking skills.