This research on sustainable ecological and environmental education has been realized with students from BIOTERRA University of Bucharest and with high school students from Ion Luca Caragiale (ILC) National Collegium from Bucharest, being used qualitative and quantitative research methods. The research on ecological education and environmental education shows the correlation between them, and for sustainable them are very necessary to develop and complementarity of the three types of education-formal, non-formal and informal. Sustainable formal ecological education and environmental education, realized in framework of the courses, seminars, practical laboratory work, lessons involve numerous educational ways, by applied of practical-heuristic and interactive methodologies based on participation-active methods, student-centered methods, mainly on investigations and projects maked by students in team and group. Also, has been applied and identified as better didactical ways, the SMART methodologies with of aid of Information and Communication Technologies (ICT) and of numerous modern methods, e.g. Computer-Assisted Instruction (CAI) through applications of the High School Educational Assistance (HSEA), multi-media demonstration, practical electronic works correlated to modeling of some object models with aid of electronic means, what is constituted in smart methodologies, through which can be realized Smart Sustainable Ecological and Environmental Education. All these methodologies identified, respectively the practical-heuristic and interactive methodology and SMART methodology brings one cognitive and affective plus, contributing to sustainability of ecological and environmental education, to sustainable and SMART education, demonstrated by results of assessment tests.