Night death can have a serious impact on animals and plants that biologically react differently during the day and night. Interactive maps have been created to reveal the most seriously exposed global areas of light pollution.
Dr. Christopher Kyba and colleagues from the German GFZ Research Center for Geoscience at Postdam measured the spread of light around the world using satellite images of the Earth's surface. By comparing images taken at night over the years, scientists can map how much light pollution.
In this interactive map, the red part has a high level of light pollution. Meanwhile, the yellow section has a moderate light pollution level.
Green or blue colors show lower light pollution levels. Empty area is not affected by artificial lighting.
The map reveals densely populated cities like London, New York, and Sydney including areas with the worst light pollution. Severe areas of Europe include Spain, Italy and Belgium.
In the UK, light pollution is mostly located in the largest cities including London, Manchester, Glasgow, and Birmingham. While in North America, Florida and Texas including the largest polluters of light.
Researchers warn that increasing the number of cheaper LED lights can increase light pollution. Because, the city uses more lights at night than ever before.
Some councils in Britain have turned off lights on the street at night and often cite budgetary reasons. But some also claim that it is good for wildlife and the environment.
In the study, the researchers hope there is a sophisticated LED lighting design and can reduce light pollution. "Other studies in a city like Tuscon, Arizona show that well-designed LED lights allow two or more-thirds of the emission reduction of light emissions without any real effect on human perception," Kyba said, as quoted by the Daily Mail.
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