Figure 2. Temporal distribution of SDG integration across academic years in Teacher Education.

This figure analyzes the presence of SDGs throughout the four years of the Early Childhood Teacher Education degree. It shows how sustainability content is distributed chronologically in the curriculum.Key features:Data derived from the analysis of official teaching guides.Visual representation optimized with a color-blind friendly palette (daltonics-accessible).This figure is part of the study "Integrating the SDG into Early Childhood Teacher Education".