Interesting links
You can find out more about light at night under the following links. However, we are not responsible for the content of these links. However, it shows how artificial light can increasingly lead to problems and is also slowly becoming an issue.
Die Helle Not
Lichtverschmutzungkarte
Dark Sky
Astromerk
Sternenhimmel fotografieren
Lichtschutzgebiete
Insektensterben durch Lichtverschmutzung
Lichtverschmutzung und Gesundheit