Textbook in PDF format A timely volume for understanding our future energy landscape and for creating a bridge towards a decarbonized energy system. Alternative and Unconventional Energy Sources discusses various alternative energy sources and their present usage, including wind, solar, ocean, and geothermal energy, along with unconventional fossil energy sources, such as shale gas. Preface. Alternative and Unconventional Energy Sources. Solar Energy. Wind Energy. Geothermal Energy. Ocean Energy. Biofuel. Shale Gas and Shale Oil. Carbonaceous Shale and Diagenesis. Hydraulic Fracturing. Impact on the Environment of Alternate Energy Sources. The Development of Alternative Energy Sources and the Global Economy. Energy Explorations for the Next Decade