Before revision: Visual pollution refers to the visible deterioration and negative aesthetic quality of the natural and human-made landscapes around people and to the study of secondary impacts of manmade interventions degradation of the visual environment due to unattractive or disruptive elements that negatively impact the aesthetic quality of an area.
After revision: Visual pollution refers to the degradation of the visual environment due to unattractive or disruptive elements that negatively impact the aesthetic quality of an area.