Numbers
Light pollution is an environmental issue caused by the increasing prevalence of artificial light at night. This growing problem affects not only our night skies but also has far-reaching impacts on ecosystems, wildlife, and human health. Understanding the scale of light pollution through key statistics highlights the urgent need for effective solutions.
Of European population lives under light-polluted skies
More than 60 % of invertebrates and 25 % of vertebrates species are nocturnal
Of European protected areas are significantly impacted by artificial nighttime lighting
Up to 1 billion bird deaths annually due to urban illumination
Increase in artificial light emissions in Europe over the past decade
Of the outdoor lighting in Europe is considered inefficient
Are wasted annually in Europe on unnecessary and inefficient outdoor lighting
Of Europeans experience sleep disorders linked to excessive nighttime lighting