This essential material is for use in all energy related courses and informal energy education settings . It describes how humans can move to a sustainable energy future via a complete conversion from the current fossil fuel based energy system to the use of renewables (e.g. solar, wind, and hydro systems). Links to many articles and studies are provided, including: energy roadmaps for all 50 US states, comparisons of energy and transportation technologies, plus interviews and presentations from a variety of sources.