This course uses three case studies to develop a multi-faceted, research-based understanding of complex environmental problems that graduating students can apply in future research or work environments. The course emphasises integrative, engaged, and research-based approaches to complexity. The first two cases present complex local and national issues in collaboration with key stakeholders. Students engage with these issues by drawing on a range of theoretical concepts and practical tools. The learning from these cases is then applied to a 'do-it-yourself' case study selected by students and conducted as a group project, again in collaboration with local stakeholders. The focus throughout is on case studies as vehicles for learning and reflection, as well as a testing ground for tools, techniques and approaches discussed in the course.