We cant avoid the dumping of sulphur oxides at least we cant at the moment afford to stopping it so we're dumping a certain amount of stuff into the environment.
n. [ Cf. F. sulfuration, L. sulphuratio, sulfuratio, a vein of sulphur. ] The act or process of combining or impregnating with sulphur or its compounds; also, the state of being so combined or impregnated. [ 1913 Webster ]