Innovations in the Blue Economy: Sustainable Practices in Marine Macro- and Microalgae Cultivation explores the available technologies, latest advancements, and ongoing research promoting sustainable cultivation of microalgae and seaweed. Cultivation strategies, challenges, applications, products, and regulatory considerations are covered through an interdisciplinary lens to provide readers with a holistic understanding of this rapidly growing industry. Written by a globally diverse network of experts, this book is systematically structured to be accessible to readers across multiple sectors. Introductory chapters describe the biology, diversity, and vital ecological roles of various microalgal and seaweed species. Central chapters explore differing cultivation systems, emphasizing the critical aspects of site selection and ecosystem compatibility. Cultivation strategies are described and illustrated through applied case studies showcasing successful largescale cultivation initiatives. Final chapters consider the regulatory landscape and multifaceted hurdles to sustainable industry scale-up, provide innovative solutions, and highlight research gaps for industry consideration. Innovations in the Blue Economy addresses the environmental applications and economic viability of sustainable microalgal and seaweed cultivation, making it an essential read for algal aquaculturists, bioengineers, and students of marine biology and biotechnology.