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Light pollution

Light pollution refers to the excessive and unwanted brightening of the night sky by artificial light sources. It results from scattered light emitted into the atmosphere and is primarily caused by human activities in urban areas. Streetlights, billboards, building facade lighting, and poorly aimed lights contribute significantly to the brightening of the night sky.

Light pollution not only impairs our view of the stars and astronomical observations, but also has ecological and health implications. It disrupts the natural day-night rhythm of humans and animals, affects sleep patterns, and decimates nocturnal species that depend on darkness. Furthermore, it leads to energy waste when light is used improperly.

Measures to reduce light pollution include the use of well-shielded fixtures that direct light downward, energy-efficient technologies such as LEDs, and time-limited lighting schedules in cities and towns.

Eine Gruppe fröhlicher junger Menschen lächelt gemeinsam in einem sonnigen Park.

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