There is a worldwide effort by various organizations and governments of different countries to enhance the production of energy and power from diverse renewable sources. The main motive behind this shift is to reduce the harmful effects of conventional fuels on environment as well as reduce the burden on already depleting reserves of traditional fuel sources. This book attempts to elucidate the major topics of the field such as power production and supply through renewable sources, future energy resources, sustainable energy policies, trends in energy consumption from different parts of the globe, etc. The extensive content of the book would help students and researchers to delve further in this field of study.