Light pollution

       What is Light pollution?   

        

Light pollution, also known as photo pollution, is the presence of anthropogenic and artificial light in the night environment. It is exacerbated by excessive, misdirected or obtrusive uses of light, but even carefully used light fundamentally alters natural conditions. As a major side-effect of urbanization, it is blamed for compromising health, disrupting ecosystems and spoiling aesthetic environments.

Light spilling into the sky does not light the ground where we need it. The redundant lighting found in many urban centers results in a clutter of lights that contribute to sky glow, trespass, and glare while destroying the ambiance of our nighttime environment. ... Light pollution wastes money and energy.

The Problems of Light Pollution -- Overview. Light pollution: Any adverse effect of artificial light including sky glow, glare, light trespass, light clutter, decreased visibility at night, and energy wast only a hindrance to astronomy, but it also impacts us directly.

After issues of safety, light pollution has a wide range of negative effects on human health such as disrupting our circadian rhythms, messing with our melatonin levels, and generally contributing to sleeping disorders. ... Disruption of these rhythms can result in insomnia, depression, cancer, and cardiovascular disease.

Up to 1 billion birds die from building collisions each year in the United States, and according to a new study, bright lights in big cities are making the problem.

To stop light pollution:

● Use CFL lights
●Don't use lights in the day time
●use expensive outdoors lights.ect.

STOP LIGHT POLLUTION