Abstract: Ecopsychology is an interdisciplinary field that examines the relationship between humans and the natural environment, emphasizing the interconnectedness of mental health and ecological well-being. Nature-based interventions, including ecotherapy, wilderness therapy, and horticultural therapy, have gained recognition for their therapeutic benefits in promoting mental health and well-being. This review explores the evidence supporting the therapeutic effects of nature-based interventions and their integration into mental health nursing practice. We discuss the theoretical foundations of ecopsychology, examine empirical research on nature-based interventions, and explore practical considerations for mental health nurses incorporating these approaches into their clinical practice. Keywords: ecopsychology, nature-based interventions, ecotherapy, wilderness therapy, horticultural therapy, mental health nursing