We talk about the key principles of this new interior design concept, the product categories in real estate and interiors that are excelling in circular design terms, take-back programs for used furniture, surfaces made of bio materials, waste as a design flaw, the importance of collaboration between brands, how nature offers guidance for circular designers, the endless potential of mycelium to replace plastic in future, the Eco wellbeing interior trend in homes as well as the role of biophilic design within circular economy.