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ABOUT THE BOOK : If extinctions are part of nature's course, then why does it matter that so many species are becoming extinct now? Over the long course of man's occupance on Earth has been seemingly characterised by its dependence on nature and the ecology which has overtime greatly influenced homeostatic regulation - i.e. balance of nature, where clearly, nature's capacity to support man's existence has plummeted with the release of obnoxious chemicals into the environment. It is pertinent to note that all species, while evolving and adapting to the demands of their habitats or modernization exigencies, changes dramatically, subjecting the ecologies, which happen to be the fabric of life to the dynamic swirl of physical forces and of rapid decline of species diversity. If we continue to lose large and vital portions of the natural world to extinction of species and other criticalities, we humans would be able to cope, but plants and animals may not be able to adapt to most of these changes, and as a result may die and become extinct, resulting in a break in food chain. A considerable attempt has been made through this book to explicitly cover these emerging concerns or topics, in a consolidated form which will provide effective understanding of environmental problems currently being faced in different world regions and perhaps not just to give the reader a fair knowledge about the huge role the ecology has in the survival of species and existence of man, but to provide the extent to which the state of dynamic equilibrium from nature will deprive the generations yet unborn the right to clean and healthy environment and harmony with nature.ABOUT THE AUTHOR :Emmanuel .K. Inyang is a graduate of Environmental Protection and Resources Management from the University of Calabar, and has developed extensive knowledge in field work spanning across environment, geography and urban planning. Recently, the authors work was focused on understanding the limitations imposed by the use of resource - both finite and non-finite, and population growth in developing economies of Asia and Africa, toxicological exposure and risk assessment, susceptibility concerns in fragile economies and how technological advancement has helped in shrinking man's illicit ecological footprints through its various productive activities especially of chemical process industries such as mining-ore mineral processing, nuclear war arsenal enrichment, and agro and allied manufacturing and associated problems especially of land degradation and technological limit in improving the carrying capacity of the Earth which happens to be much of the thesis and core of this piece of work. The author is privy to the publication of series of books in the area of environment and urban physical development planning and administration prominent among which include; Fundamentals of Environmental Toxicology: Occupational Health and Safety in Synopsis, Paradigms of Regional Planning and Development in a Changing World, Global Climate Change and Man, and Elements of Ecology to mention but few, and hopes to eventually navigates his way into class room where his distinctive skills and researches work would be much more appreciated away from oil and gas exploration and production.