This book on Environmental Toxicology aims at covering the field in its full width, including aspects of environmental chemistry, ecotoxicology, toxicology and their mitigation strategies. With that, it will contribute to improving the quality contents of the education in environmental toxicology. We also want to make sure that fundamental insights on fate and effects of chemicals gained in the past are combined with recent approaches of effect assessment and molecular analysis of mechanisms causing toxicity and its management.The book consists of 14 chapters, with each chapter being divided into several sub-heads to enable covering all aspects relevant to the topic. All chapters are designed in a modular way, which each module having clear research goals.