Globe At Night citizen science program reveals rapid increase in light pollution around world.

January 25, 2023

Globe at Night, an international citizen-science campaign, study has highlighted that:
- Night sky brightness has increased by 7-10% per year from artificial light between 2011-22.
- Visibility of stars in night sky is declining by 10% per year because of light pollution.
Light pollution, also known as photo pollution, is the presence of anthropogenic light in night environment.
Impact of Light Pollution: Interferes with astronomical research, disrupts ecosystems, threat to nocturnal wildlife especially birds etc.
Skyglow is a form of light pollution characterized by diffuse illumination of night sky.
- Easily visible over cities, it doesn’t include natural light sources such as moon and visible individual stars.