Circular design as an enabler for resource efficiency is a bold chance for products and business models to become more competitive for the future. As around 80% of the ecological impact of a product is designed by its design this is a huge lever when striving for climate neutrality and circular economy. We introduce you to principals of Circular Design and give a glimpse into a methodology that helps to create or improve a circular business model. As Effizienz-Agentur NRW we've helped businesses with resource efficiency and circular design in North Rhine-Westphalia for over 23 years and will share some of our insights with you.