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For those sky-watchers who worry about the environment, having the world go green is not enough. The preferred color is a dark green. Although light pollution doesn't generally cause as much alarm as other issues such as the changing climate, there is an outspoken community of stargazers that feel this is an important problem that must be worked on and eventually solved. Light pollution is a growing concern, detracting from the vastness and beauty of the numerous stars and constellations of the Milky Way. Only one-third of the cities in the United States are dark enough at night for people to see the Milky Way while standing in their backyards. Watchers of the night sky generally prefer to use the Milky Way as a measuring tool. There are a few places between the Midwest and the East Coast that are unpolluted country-size areas with darkened skies. It is difficult to find locations to observe the dark in the West. Security lighting is not only necessary at night, since the majority of property crimes are happening during the daylight hours. (in the home or business) may not be as important as people think. Although at this point twenty-seven states already have laws in place or proposed to control the amount of skyward-pointed lighting and energy lights, this is a type of pollution that ought to be regulated to the same degree as any other, and the current regulations are not enough. Energy efficiency and pollution control is vitally necessary at the private level as well as a corporate and industrial concern. (from turning down security lighting to accurately putting window coverings into place)
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Martha is a freelance journalist writing about shutters.
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