The student has successfully identified the key concept of sustainability in their work, which is clearly indicated on the title page under the research question. The research question is backward-looking, focusing on the company's past issues and how they were impacted by implementing sustainable packaging. The work is based around a single business, Unilever, and the student has selected a real business issue that relates to the syllabus. Additionally, they have provided sufficient background information about Unilever and its products, as well as a clear outline of the issue under investigation. However, the student could have improved the explanation of the methodology used to investigate the issue. Overall, the student effectively described and analyzed the connection between the key concept of sustainability and the organization under study throughout the entire IA.