“…Awareness of low carbon behavior must be introduced since 6 or 7 years old, in which in Indonesia is the ideal age of starting elementary school (Phang, Wong, Ho, Musa, Fujino, & Suda, 2016) and higher education (Dai, Cheng, Liu, Tang, Zheng, & Wang, 2019;Horan, Shawe, & O'Regan, 2019) so that their environment is free of carbon emissions. Actually, most students learn about the environment at school since the school (Amin, Permanasari, & Setiabudi, 2019) is responsible to provide good learning environment (leading to promoting good behavior and good characters) as well as good environmental literacy (Agboola, & Tsai, 2012). It is believed that students with good environmental literacy are able to create the most effective environment for themselves (Saltan, & Divarci, 2017).…”