This study presents an attempt to contribute to the field of Education for Sustainable Development (ESD) by conceptualizing systems thinking skills of four- to six-year-old preschool children with the role of age in this particular skill. For this purpose, we developed and tested a method and instruments to assess and conceptualize systems thinking skills of 52 preschool children in early childhood education contexts from Turkey and Germany. By employing qualitative case study research, we concluded that the young children showed some signs of complex understanding regarding systems thinking in terms of detecting obvious gradual changes and two-step domino and/or multiple one-way causalities, as well as describing behavior of a balancing loop. However, their capacity was found to be limited when it comes to detecting a reinforcing loop, understanding system mechanisms by acknowledging the unintended consequences, detecting hidden components and processes, demonstrating multi-dimensional perspective, solving problems through high-leverage interventions, and predicting the future behavior of the system. Age had a notable effect on the total systems thinking mean scores of the participants.

In this study, we discuss findings from a small-scale project evaluating an in-service teacher training programme focused on ‘perspective transformation’ in early childhood education and education for sustainability (EfS). A bespoke professional development programme was developed for Turkish early childhood teachers, based on a variety of Mezirowian-inspired adult education activities. Data were gathered using a mixed method research design, from 24 early childhood educators, through learning diaries, a Learning Activities Survey and follow-up interviews. Initial findings illustrate the range of transformations possible in the teachers’ perspectives during and after the training workshops. Influential factors in facilitating perspective transformation are shown to be the content, structure and sequencing of the training, and peer support. We conclude that transformative learning techniques offer a viable framework for engaging practicing early childhood teachers with EfS and also discuss implications for teacher preparation in both areas.

This study aims to cement the link between systems thinking (ST) and education for sustainability by presenting an example of systems education for young children. A systems education guidebook focused on water and a learning framework based on the guidebook were developed, together with two ST assessment instruments (a shared reading and a concept mapping activity with interview protocols). The learning framework was implemented over the course of four-weeks with 32 children aged 5–6 in a pre-school in Turkey. To measure the outcomes, the children were pre-tested and post-tested with the assessment instruments using a mixed method approach. The results revealed a significant development in the ST skills of the children. Children defined system elements related to water more, came to see invisible elements as parts of the system and established high-quality causal relations between system elements related to water.