This book provides consolidated information on each and every aspect of the environment. It explores the importance of environmental sciences, the physics of natural resources, structure and functions of the ecosystem, biodiversity and conservation, environmental pollution, environmental impact assessment, human population and the environment, waste pollution and management, environmental law, social issues, global warming, and carbon credits. The book provides in-depth information on different natural resources and their associated problems, the biogeographical classification of India, the sources and effects of different kinds of pollution, the methodology of environmental impact assessment, environmental and human health, and hazardous waste management and treatment technologies.