There are different sources of lights that contribute to skyglow.
Light Pollution Map in Central Europe bu Jurij Stare
Streetlights
Street lighting serves an important function, but it also contributes significantly to light pollution. While it enhances visibility, it can negatively impact the environment and surroundings.
Public Spaces
Public buildings, parks and monuments are often overlit at night and some emergency lights, suffice it to think about fire escapes and emergency stairs, are usually floodlit as well.
Factories and Industrial Poles
Industrial hubs are one of the major contributors to light pollution, with their extensive use of artificial lighting for 24/7 operations, security, and logistics.
Shops
There are often shopping streets and shops that keep the light on in the showcases all night, beyond opening hours.
Private Houses and Flats
Lighting up one’s own private house is a source of light pollution where government bodies have limited influence upon.
Transportation
Logistic hubs such as airports, train stations, ports and major highways are significant sources of light pollution.
Sport Centres
Recreational sports lighting can be, but not always are, configured and designed to be effectively shielded to illuminate the field of play and minimise or eliminate glare and light trespass.
Advertisement
Electronic billboards, also known as electronic messaging centres (EMCs), can be up to ten times brighter at night than traditionally lit billboards.
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