This book comprises some of the major facts and solutions on environmental studies and its importance on the ecosystem. Implementations of Biotechnology on wastewater treatment and removal of toxins from the wastewater have been thoroughly discussed in different chapters with its impacts on the ecosystem. State of art technologies related to the water treatment as well as balancing of various essential components of the ecosystem has also been demonstrated with various technical solutions. Impacts of various toxins, mainly chemical wastes produced by various industries have been precisely identified and there impacts with various solutions are also discussed. This book is also a collection of various ideas and thoughts coming from reputed scientists and researchers working in this field with modernized technological views. A special emphasis has been given to protect and balance our ecosystem to save the entire living beings. Authors have also tried to make a bridge between bioremediation and ecosystem to bring these in a common platform for better understanding and solution of various critical problems with the help of cutting edge technologies. In this particular aspect or research, the novelty of the book is unparallel to show various future opportunities for the researchers, academicians, industrial personnel working in this field.