“…Therefore, there is a need for the teachers to receive the most appropriate resources and tools, in order to understand the complex issues regarding global environmental change, so that they may transfer to children the appropriate knowledge, and form the competences to tackle complex issues (UNECE, 2011). Teachers need to have access to good quality information, to be motivated and empowered to make a real transformation of the school environment and a real change in children's minds (Greer and Wetherington, 2015).…”