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Light pollution is the presence of any unwanted, inappropriate, or excessive artificial lighting. [1] [2] In a descriptive sense, the term light pollution refers to the effects of any poorly implemented lighting sources, during the day or night. Light pollution can be understood not only as a phenomenon resulting from a specific source or kind ...
Light pollution, the term for the brightening of the night sky by unnatural lights, is increasing worldwide. On average, skies are getting 10% brighter each year globally, with the fastest rate of ...
Fluorescent light bulbs and tubes internally produce ultraviolet light. Normally this is converted to visible light by the phosphor film inside a protective coating. When the film is cracked by mishandling or faulty manufacturing then UV may escape at levels that could cause sunburn or even skin cancer.
Light pollution – Excess artificial light in an environment; Lighting – Deliberate use of light to achieve practical or aesthetic effects; Noise pollution – Excessive displeasing noise; Quicksand – Mixture of sand, silt or clay with water, which creates a liquefied soil when agitated; Ultraviolet – Energetic, invisible radiant energy ...
Pollution is the introduction of contaminants into the natural environment that cause harm. [1] Pollution can take the form of any substance (solid, liquid, or gas) or energy (such as radioactivity, heat, sound, or light). Pollutants, the components of pollution, can be either foreign substances/energies or naturally occurring contaminants.
Noise becomes noise pollution when someone is experiencing “involuntary exposure to noise that can be harmful to health,” according to Jamie Banks, founder and president of the anti-noise ...
Mercury can be harmful to children and developing fetuses, so children and pregnant women should avoid being in the area whilst a broken bulb is cleaned up. [18] Bulbs which have reached the end of their life should not be disposed of in normal trash, as this may release the mercury into the environment if the bulb is damaged. [19]
Light pollution is the impact that anthropogenic light has on the visibility of the night sky. It also encompasses ecological light pollution which describes the effect of artificial light on individual organisms and on the structure of ecosystems as a whole. [5] The night sky viewed from Luhasoo bog, Estonia with light pollution in the background