Francisco Manuel Moreno-Pino has a bachelor´s in mathematical sciences, specializing in pure mathematics since 1994 and a master´s in environmental education since 2013. He was a mathematics teacher at a secondary school between 1994 and 2011. Currently, he is a teacher of mathematics didactics at the University of Cádiz and a teacher–tutor of applied mathematics at the Cádiz Associated Center of the UNED. He is also a Ph.D. candidate in sciences didactics and environmental education at the University of Málaga. His research areas are critical math education and education for sustainability. Francisco Manuel Moreno-Pino is the corresponding author and can be contacted at: franciscomanuel.moreno@uca.es.