This book is a compilation of thirty research and review papers contributed by senior faculty members of some universities, scientific and engineering institutions in India and Abroad. It covers the areas like; Environmental Pollution Monitoring and Control, Noise Pollution Modeling, Reclamation of Degraded and Contaminated Land, Environmental Toxicology, Modeling for Fate of Pesticides, Bioindicators and Biomarkers, Wastewater Treatment, Environmental Biotechnology, Climate Change, Application of Remote Sensing and GIS in Environmental Monitoring, Forest Ecology etc. The papers embody materials of great use for scientists, engineers, teachers and research students working in the areas of Environmental Sciences and Engineering.