According to numbers from the report The new world atlas of artificial night sky brightness, published by Science magazine in 2016, more than 80% of the global population and nearly 100% of the U.S. and Europe live underneath skies that are contaminated by light. This has led to the disappearance of the Milky Way for six out of every 10 Europeans.
Light pollution is a growing environmental problem. Every year, the illuminated portion of the Earth's surface and the intensity of artificial light in the night sky grows by 2.2%. We are facing a worldwide threat that is growing very rapidly, reflects Alicia Pelegrina, researcher at the Astrophysics Institute of Andalusia (IAA).
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