%0 Journal Article %T Threats Related to Light Pollution and Ways to Reduce it %A Sala, Krzysztof %J Public Administration Yearbook %V 2020 %R 10.4467/24497800RAP.20.014.12908 %N 2020 (6) %P 254-266 %K ecological security, intelligent lighting, pollutants, light %@ 2449-7797 %D 2020 %U https://ejournals.eu/en/journal/rocznik-administracji-publicznej/article/zanieczyszczenie-swietlne-zagrozenia-i-sposoby-jego-ograniczania %X The natural environment can be exposed to many different types of pollution. The most frequently mentioned are air, water, soil and radioactive contamination. On the other hand, light pollution is mentioned much less frequently. Light pollution only applies to light from artificial sources. It turns out that light, in addition to its undisputable advantages and colossal significance for life, in some cases can be associated with significant threats. The purpose and premise of this publication is to show that light pollution involves a considerable threat to the natural environment, including animals and humans. However, there are ways to effectively limit this phenomenon. The paper discusses the concept of light pollution, its sources, forms and division. Particular attention has been devoted to the characterisation of the threats that it brings with regard to the natural environment, including humans. The publication also reveals examples of actions to reduce this harmful phenomenon. The article has been created using book materials, magazines, as well as information available online. The research method used in the publication is existing data analysis and literary criticism. The test results verify the premise positively.