The study of environmental chemistry provides the foundation for understanding how chemical processes influence natural systems and human health. It focuses on the movement and transformation of substances in air, water, and soil. Environmental Chemistry examines the sources, reactions, and effects of pollutants within the environment. The book discusses atmospheric chemistry, water and soil contamination, and the biogeochemical cycling of key elements. It also explores green chemistry principles and analytical methods for environmental monitoring. Combining scientific rigor with sustainability perspectives, it equips students and professionals with the tools to address pressing environmental challenges.