The current Anthropocene Era involves a plethora of unsustainable wicked problems already present and it promises to multiply them with the energy determined at the beginning of the epoch. Will we find solutions to the complex and real-abstract problem of sustainability created by human attitudes, diverse activities and actions in nature? With each issue of JTES, the authors of research papers are becoming more open to the question of educating teachers and university teachers for sustainability. Over time, personally relevant research on various issues in teacher education has also become a driving force in the JTES debate.