Book excerpt: The Potential of Microbes for a Circular Economy provides a thorough understanding of the role of microbes in a circular economy (CE). It covers the development of effective bio-based formulations for field applications and describes the basic principles and applications of the circular economy, the important role of microorganisms, and new insights into a sustainable ecosystem.The Potential of Microbes for a Circular Economy compiles the latest advancement in the field of CE by covering the aspect of microbes and microbial products providing microbiologists the tools to engage with the wider public, policymakers and industry to inform the debate on addressing current challenges and showcasing the positive impacts of microbiology for society. - Provides a thorough understanding on the role of microbes in the circular economy that can help to develop effective bio-based formulations for field applications - Describes the basic principles and applications of the Circular Economy - Gives insights on the important role of microorganisms explored in the circular economy, which in turn provides new insights into the sustainable ecosystem