Third, Light pollution from artificial light usage that is not necessary (and Unnecessary) or inappropriate (Inappropriate) in night time power consumption is not deserved.
Third, the light pollution from the use of artificial light is not necessary. (Unnecessary) or inappropriate (Inappropriate) at night It is a waste of energy without it.
Third, the light pollution from the use of artificial light unnecessary. (Unnecessary) or right (Inappropriate) at night. Surely is a waste of energy without appropriate.