The second revised edition of Environmental Biology presents up-to-date and all basic information about the various aspects of the environment including Ecosystem Components, World Biomes, Conservation and Management of Agriculture, Forest and Wildlife, Conventional and Sustainable Energy Resoruces, Human Population, and Environmental Education. The most burning problems of the environment viz., Acid Rain, Ozone Depletion, GHGs, Desertification, Loss of Tropical Rainforests, Biodiversity, Biopracy and Bioprospecting, Eco-terrorism, and Dams & environment have also been included. An exhaustive glossaryof relevant terms is given at the end. The book will serve as a major text for studens of Botany, Zoology, Geography, Geology, Environmental Biology, Environmental, Science, Environmental Chemsitry, Environmental Engineering, Home Science, Law, and Medical & Veterinary Sciences. About Author : Dr. K..C. Agrawal had been in college education as teacher of Botany from 1964 to 1995 and then he served the M.D.S. University, Ajmer as Director Research till his retirement from there on 31st August, 2000. His profound interest in environmental sciences led him to present this monumental treatise to readers for providing balanced and up-to-date information on the subject. As a researcher and author he has scores of research papers and fifteen books including this one to his credit. Other important contributions of the autor in the area of the environment are-Environmental Pollution, Environmental Biotechnology, Global Biodiversity, Wildlife of India, Environmental Laws, etc. He had also been a course writer for Human Environment for IGNOU, New Delhi. Contents : Environmental Biology-An Overview Food Chains, Food Webs and Ecological Pyramids Ecological Energetics Productivity Biogeochemical Cycles System Ecology and Ecomodelling Homeostasis, Optimization