PURPOSE: This study seeks to investigate the effectiveness of psychological interventions in promoting pro-environmental behaviors by fostering resilience and self-efficacy in Iranian youth. Additionally, based on social cognitive theory, the research examines the role of sustainable youth social work in moderating these relationships. MATERIALS AND METHODS: A cross-sectional design was employed to collect data via a survey from 384 Iranian participants, using validated scales. Structural equation modeling was utilized to examine the relationships among the variables. RESULTS: The results demonstrate a notable and substantial impact of psychological interventions on pro-environmental behaviors. Additionally, the findings indicate the mediating role of resilience and self-efficacy in the relationships between psychological interventions and pro-environmental behaviors. Ultimately, sustainable youth social work has emerged as significant moderators, enhancing the impact of psychological interventions on pro-environmental behaviors. DISCUSSION: The findings from this study carry significant implications for the design and execution of psychological strategies focused on changing environmental behaviors. The study underscores the importance of psychological factors in shaping environmental behavior, thereby enhancing the overall understanding of sustainable behavior development in youth.