Light Pollution
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Light pollution. Light pollution light pollution people all over the world are living under the nighttime glow of artificial light and it is causing big problems for humans wildlife and the environment. Light pollution refers to the way that electric lights street lamps and so on leave cities brightly lit right round the clock. There is a global movement to reduce light pollution and everyone can help. Its sources include building exterior and interior lighting advertising.
Light pollution unwanted or excessive artificial light like noise pollution light pollution is a form of waste energy that can cause adverse effects and degrade environmental quality. Moreover because light transmitted as electromagnetic waves is typically generated by electricity which itself is usually generated by the combustion of fossil fuels it can be said that there is a. Light pollution first attracted attention when the general population and astronomers in particular were increasingly unable to view the night sky due to excess visible and uv light from cities. Each of us can implement practical solutions to combat light pollution locally nationally and internationally.
Light pollution affects every citizen. Light pollution is referred to as pollution because it adversely affects the night sky contaminating the darkness with light. If you want a more detailed analysis of radiance viirs dmsp changes over a period of time then please use the lighttrends application. Light pollution is excessive misdirected or inappropriate outdoor lighting.
Light pollution is a side effect of industrial civilization. The light pollution map has two base layers road and hybrid bing maps viirs world atlas clouds overlays and a point feature overlay sqm sqc and observatories. An illustration of both useful light and the components of light pollution are illustrated in figure 2. Sky glow is a brightening of the sky caused by both natural and human made factors.
The main cause of light pollution is the misuse of artificial light in streetlights projectors spotlights lamps etc which let a large part of their luminous flux escape into the sky. Light pollution is an unwanted consequence of outdoor lighting and includes such effects as sky glow light trespass and glare. Another cause of pollution is the ignorance and lack. Any kind of light can cause light pollution but electric lights and sodium vapor lamps are the most common.
Light pollution competes with starlight in the night sky for urban residents interferes with astronomical observatories and like any other form of pollution disrupts ecosystems and has adverse health effects. Excessive lighting generates energy and co2 costs in the ecosystem this generates pollution and scarcity of energy resources. Too much light pollution washes out the view of the universe increasing energy consumption interferes with astronomical research disrupts ecosystems and affects the health and safety of humans and wildlife. A growing number of scientists homeowners environmental groups and civic leaders are taking action to restore the natural night.