Algae - Science and Applications provides a comprehensive overview of algae's versatility and promising applications in various fields. The book covers commercial and industrial uses, from biofuels and biodegradable products to valuable nutritional supplements. Readers will discover the critical role of algae in aquaculture, where seaweeds enhance environmental sustainability and productivity. It also presents solutions for mitigating climate change by growing microalgae in advanced photobioreactors designed to capture and convert carbon dioxide. The book also highlights the significant pharmaceutical potential of algae-derived bioactive compounds. In addition, using algae as sustainable feed additives demonstrates their ability to improve animal health and nutrition, promoting more efficient and environmentally friendly agricultural practices. Ideal for researchers, industry professionals, and students, this volume serves as a guide to the science and practical applications of algae, reflecting the ongoing advances in this dynamic field.