Amigo, C., Labraña, J., Cortés, J., Gómez, E., Moreno, J. and Muñoz, M.C. 2019. Towards an environmental education for a complex society. An analysis from the social systems theory. MAD. 39 (May 2019), 13–45. DOI:https://doi.org/10.5354/0719-0527.2018.53283.