This portfolio contains a collection of work written and submitted for the Practitioner Doctorate in Psychotherapeutic and Counselling Psychology at the University of Surrey. It consist the research dossier, all of which have been reworked and amended according to the feedback that was received at the time. The research dossier includes my literature review, one qualitative study and a quantitative study. The literature explores the relationship between ecopsychology and mental health problems such as depression, stress and psychological trauma. This is then followed by a study which explores depressed individuals’ relationship with nature. The final piece of research investigates the restorative effects of spending time in nature on the mood of depressed individuals.