Biogeochemistry is an upcoming field of science that has undergone rapid development over the past few decades. It involves the study of the composition of the environment and the various chemical, geological and other processes related to it. This field of study also examines the cycles of chemical elements like carbon and nitrogen. There has been rapid progress in this field and its applications are finding their way across multiple industries. The aim of this book is to present researches that have transformed this discipline and aided its advancement. This book includes contributions of experts and scientists which will provide innovative insights into this field. It brings forth some of the most innovative concepts and elucidates unexplored aspects of biogeochemistry. The objective of this text is to give a general view of the different areas of biogeochemistry and its applications.