The purpose of this study is to conduct a comprehensive two-level analysis of the literature on employee green behaviour in the hospitality industry. It seeks to map current research trends and identify future directions, thereby offering a holistic understanding of the scholarly landscape. Using a two-tier approach, the study integrates bibliometric analysis with thematic content review to capture the breadth and depth of existing academic work across disciplines. A key finding is the interdisciplinary nature of research on green behaviour, which reveals how multiple fields converge on this topic. This study contributes by synthesizing fragmented insights, enhancing the understanding of green behaviour among hospitality employees and outlining new avenues for future inquiry.