The average temperature on the Earth's surface has globally increased. This issue was generally caused by the increasing of greenhouse gases concentrations due to human activities. Therefore, the knowledge about global warming becomes major topics for students and educators. This research aimed to investigate how the teachers and students knowledge about global warming. The data was retrieved through objective tests on 230 teachers and 573 junior and senior high school students in Lampung Province as one of the most potential black smoke disaster area in Indonesia. Data were collected and analyzed using two Way ANOVA, and Tukey multiple comparison to understand the relationship of global warming knowledge towards gender, teachers' identity, students' educational level. The results showed that students and teachers knowledge about global warming are very low. The students knowledge is higher than the teachers. For students, it was found that an educational level hold the important factors of students' global warming knowledge, in which secondary school students has better knowledge and experiences relative to the primary students. There is no difference in students' knowledge of global warming caused by gender. There is a correlation between attitude and knowledge about global warming at a senior high school students while in junior high school students there is no correlation. The conclusion there is a difference in students' knowledge about global warming caused by differences in the learning experience but not by gender. There was no difference in knowledge between the teacher caused by field of study, gender, or where they teach. Students are more mature and have better knowledge about global warming would have a disagreement on the behavior that led to the increasing greenhouse gases and are willing to sacrifice pleasures.