The second edition of Alternative Energy provides significant updates on dramatic changes within the renewable energy sector over the past decade. The book discusses the basic technical aspects of major renewable energy systems and technological developments, such as the impact of politics on energy policy using contemporary theories of public policy, as well as the evolution of the social feasibility of renewable energy. New to the second edition-Technical information in all chapters has been updated to include current "next generation" technological advancements, New sections on solar thermal energy, pumped hydro, and on climate change, Substantial updates to economic data, New discussion of enhanced geothermal, ocean thermal energy conversion (OTEC), and tidal power, Updated discussion of energy storage, Discussion of the Green New Deal