Explore the critical role of energy efficiency in resource management through this comprehensive Stanford University lecture. Delve into various energy uses, effective efficiency measures, and the challenges hindering their implementation. Examine policy solutions, including codes and standards, and understand utility efficiency programs. Discover how energy efficiency contributes to decarbonization efforts. Led by Dr. Joel N. Swisher, Director of the Institute for Energy Studies at Western Washington University, this 73-minute presentation offers a thorough overview of energy efficiency as a vital resource in today's world.