Energy Sources Part A: Recovery, Utilization, and Environmental Effects aims to investigate resolutions for the continuing increase in worldwide demand for energy, the diminishing accessibility of natural energy resources, and the growing impact of energy use on the environment.You are invited to submit manuscripts that explore the technological, scientific and environmental aspects of:Coal energy sourcesGeothermal energy sourcesNatural gasNuclear energy sourcesOil shale energy sourcesOrganic waste from energy usePetroleumSolar energy sourcesTar utilizationSand utilizationWind energy.