Introduction -- What is green chemistry? -- Tools of green chemistry -- Principles of green chemistry -- Evaluating the effects of chemistry -- Evaluating feedstocks and starting materials -- Evaluating reaction types -- Evaluation of methods to design safer chemicals -- Examples of green chemistry -- Future trends in green chemistry. This textbook provides an introductory treatment of the design, development, and evaluation processes central to green chemistry. It takes a broad view of the subject and integrates a wide variety of approaches. Topics include alternative feedstocks, environmentally benign syntheses, the design of safer chemical products, new reaction conditions, alternative solvents and catalyst development, and the use of biosynthesis and biomimetic principles. It introduces new evaluation processes that encompass the complete health and environmental impact of a synthesis, from the choice of starting materials to the final product. Throughout, the text provides specific examples which compare the new methods with classical ones.