Light pollution country versus city.png 972 × 1,296; 1.9 MB Light pollution europe.jpg 600 × 600; 85 KB Light pollution It's not pretty.jpg 1,380 × 1,012; 944 KB The effect that artificial light has upon organisms is highly variable, and ranges from beneficial (e.g. increased ability for predator species to observe prey) to immediately fatal (e.g. Light pollution is a type of pollution.It is defined as “any adverse (or bad) effect as a result of man-made lights.” Usually, this means too much light. The light pollution map has two base layers (road and hybrid Bing maps), VIIRS/World Atlas/Clouds overlays and a point feature overlay (SQM, SQC and Observatories). It has the potential to become what is termed ‘light pollution’ or ‘obtrusive light’, and not all modern lighting is suitable in all locations. moths that are attracted to incandescent lanterns and are killed by the heat). Artificial light is not always necessary. Direct annual comparisons are to be avoided as there are too many factors involved. The issue of light pollution in Hong Kong rose to public prominence in 2008, and the government initiated a policy review the following year, culminating in the 2011-2015 "Task Force on External Lighting" to look into the problem, including two rounds of public consultation in 2013. Ecological light pollution is the effect of artificial light on individual organisms and on the structure of ecosystems as a whole.. Several species, including plants and humans, are badly affected by light pollution.Most people have never heard of light pollution, and those who have usually don’t care, or do anything about it. Background.