Light pollution: What is it, how to measure it, how to deal with it?
The evolution of mankind has historically led to pollution of the world around him in its various forms. The first traces of human-caused pollution date back more than 5,600 years, when humans began working bronze in the Balkan region of south-eastern Europe. Although there are traces that the Sumerians, 4,000 years BC, were already working …
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