This book explores the critical role of biotechnology in addressing today's most pressing environmental challenges. The book presents a comprehensive four-pronged strategy focused on minimizing waste, reducing toxicity, improving waste disposal, and transforming waste into valuable resources. With a special emphasis on sustainable bioeconomy approaches, it highlights the potential of biotechnological innovations in urban development and environmental protection. The book also addresses the impact of policies and regulations, offering a holistic view of how biotechnology can pave the way for a safer and more sustainable future.