This book elucidates the concepts and innovative models around prospective developments with respect to environmental engineering. It provides detailed information about the fundamentals of this subject. Environmental engineering refers to the science and methodology followed for protecting humans from harmful environmental components and also for protecting the environment from adverse effects of human activities and natural occurrences, by using engineering and scientific laws. Most of the topics introduced in this textbook cover new techniques and the applications of environmental engineering. It is a complete source of knowledge on the present status of this important field. This book, with its detailed analyses and data, will prove immensely beneficial to graduates and post-graduates involved in this area at various levels.