This document discusses energy management and conservation. It begins with defining energy and discussing different types of renewable and non-renewable energy sources like solar, wind, hydroelectric, geothermal, and biomass energy. It then discusses energy distribution and defines energy management as monitoring, controlling and conserving energy use. Reasons for conserving energy are provided, such as limited resources and increasing demands. Suggestions for conserving energy at home and in public places are given, such as switching off unnecessary lights and appliances.