<p>This research aimed to examine the effect of digital story tools training on teachers’ competencies in using digital story tools and on children’s environmental attitudes and awareness. The study group of this quasi-experimental research with a pre-post test control group design consisted of four teachers working in two separate public kindergartens affiliated with the Directorate of National Education in a province located in the Inner Aegean region of Turkey, as well as a total of 67 children aged 60–72 months in the classes of these teachers. As data collection tools in the study, the General Information Form and Digital Story Education Needs Determination Form developed by the researchers, the Digital Story Tools Use Competency Scale and the Environmental Awareness and Attitude Scale for Preschool Children were used. Within the scope of the research, Digital Story Tools Training developed by the researchers was applied to the teachers in the experimental group for total of six sessions. Descriptive statistics, T test for dependent and independent samples, and Two-Way ANOVA for Mixed Measurements were used in the analysis of the data obtained from the study. It was concluded that the environmental attitudes and awareness of the children in the experimental group changed positively after the training, and the teachers’ competence in using digital stories increased. In addition, it was determined that the effect sizes of the experimental group regarding the environmental attitude sub-dimension and the scale total were at a high level, while the effect size for the environmental awareness sub-dimension was at a medium level.</p>