This book offers a timely and comprehensive exploration of the microplastics crisis, tracking their journey from production to pollution and dissecting their profound impacts on ecosystems and human health. It combines rigorous scientific research with real-world case studies and actionable strategies, making it an essential resource for scientists, policymakers, educators, and concerned citizens alike. Through accessible language, compelling visuals, and up-to-date data, the book brings into sharp focus the hidden world of microplastics: how they form, how they travel, and why their persistence poses one of the most pressing environmental challenges of our era.