Encyclopaedia of Environmental Biology, in two volumes is a pioneering effort to compile authoritative information pertaining to environmental biology at one place. The major themes elaborately discussed herein are: Environmental Biology; Natural Environment; Concepts of Ecology; Ecosystem Ecology; Ecosystem as Fundamental Ecological Unit; Ecological Changes through Time; Ecological Changes in Sapce; Ecological Succession; Ecological Resources; Energy, Technology, Resources and Management; Biochemistry in Environmental Biology; Development vs. Ecology; Community Ecology; Biotic Communities; Evolutionary Ecology; Natural Resources; The Ecological Niche; Interspecific Competition and Community Structure; Living Resources; Habitat; Ecology of Communities; Marine Ecology and Oceanographic Environment; Ecology and the Future of Man; People; Population Ecology; Geographical Ecology; Dams; Forests; Endangered Species of India; Wildlife Conservation; Environmental Education; The Environmental Protection Act, 1986; Environmental Pollution; Pollution: What, Where Environmental Biology of Toxicology of Chemical Substances; Environmental Biology and Toxicological Chemistry; Environmental Biology and Health Hazards. Students and scholars of biological sciences and environmental studies, academics, policy planners, scientists and environmentalists and other activists will find these volumes vade- mecum.