Today energy and sustainability are areas of primary concern throughout the world. Energy Systems and Sustainability provides a thorough introduction to the economic, social, environmental, and policy issues raised by current systems of energy use. In addition, it describes the key physical and engineering features of these systems.The book begins with an introductory account of the present world energy situation. This is followed by chapters explaining basic energy concepts and describing the magnitudes and patterns of human energy needs. The central part of the book deals with the historical evolution and present status of conventional fossil- and nuclear-fueled energy systems. These systems, along with hydropower and traditional biofuels, currently supply the majority of the world's commercial energy. In addition, a section on economics describes the basic methods by which the monetary costs of energy are calculated, and discusses the external costs of energy production. The concluding sections deal with the sustainability problems associated with both fossil and nuclear fuel use, and possible solutions using new technological developments.Energy Systems and Sustainability is the only text on the market to provide a fresh, contemporary perspective on energy and sustainability for an undergraduate audience. It is ideal for courses in energy, sustainable development, environmental science, and architecture.