This volume orients readers to the concept of energy footprints and their implications for sustainability and offers several cases that illustrate this concept. Significantly, a detailed review chapter presents a of models and methods for measurement of energy footprints across different industrial sectors. Following this, case study chapters from India and the United States offer demonstrations of the application of the described principles. The metrics and indicators described here and means to assess them offer powerful tools for organizations to work toward sustainability and the achievement of the United nations seventeen Sustainable Development Goals.