This book looks at environmental aspects of energy technologies, from common traditional sources in use, new sources, and emerging sources and technologies. The objective of this book is to serve as a one-stop comprehensive information resource on energy and environment topics, from energy science to energy engineering to energy politics. Starting with science and technology topics we link them to economics and politics showcasing interconnections between energy sources, energy utilization, energy conversion, and sustainability under the common theme of energy and environment. The book achieves its objective by offering and integrating deeply technical and socioeconomics papers together on energy and environment topics.