This course is specifically designed to meet the needs of all learners including undergraduate/postgraduate students, researchers, entrepreneurs, young professionals, policy makers, and other stakeholders of the circular economy (CE). You will learn how CE is emerging as a future economy and how it will transform the world enabled by technological innovations. Early-career researchers and entrepreneur can expect to learn about key CE enabling technologies, technology analysis, value-chain mapping, competitive analysis, and learn how they can cause technological disruption for CE transformation. This course highlights all enabling technologies including digital (AI, IoT, Big Data, etc.), Physical (nanotechnology, material science, etc.), and biological (biorefinery, microbial technology, etc.), and explains how each of these technologies will play a key role in CE. Furthermore, this course features some of the global CE business models and practices, and key CE policies for young professionals and policy makers. Importantly, this course introduces a dimension of youth leadership in CE, which is imperative for truly transforming the world coupled with life-cycle thinking (LCT) mindset, because the population of youth is significantly high in the post-COVID world, and its upward trend is anticipated in the near future. Overall, this course is an ultimate guide to inspire youth to take action towards transitioning to CE for building a sustainable world.