<p>Biosensors are a useful tool to monitor pollutants in the environment. Numerous biosensors are currently used as affordable, real-time, in-situ analytical tools for a healthy environment. This book aims to give readers a comprehensive overview of concepts and applications of biosensors for environmental monitoring. The book offers descriptions different types of biosensors and use cases, with particular emphasis on how biosensors can be used ins service of the achievement of the United Nations Sustainable Development Goals. The book is targeted toward students, researchers, professionals, and anyone else with an interest in biosensors and how they can support sustainability.</p>