This document discusses how people use energy and the importance of using it efficiently. It begins with an introduction about how failing to use energy efficiently can lead to depletion of resources. It then provides examples of good and bad energy use, such as using appliances efficiently by turning them off when not in use versus leaving them running. The document encourages efficient energy use at home by turning off lights, electronics, and appliances when not needed. It emphasizes that conserving energy helps take care of the planet for the future.