The Circular Economy Dimension shows how circular design can transform the built environment, buildings, products and the territory with its communities as an ecosystem, promoting sustainability, reducing waste, and supporting carbon-neutral cities. By in corporating real-world examples, the module encourages active participation and equips learners with the skills needed to drive sustainable transformation. A key focus is the contrast between the traditional linear economy, which follows a take, make, dispose approach, and the circular economy, which aims to keep resources in use through recycling, reuse, and repurposing.