The most obvious - economic. Billions of dollars are spent annually on over-night lighting cities.

First came the first of January this year, the number led spots of one of the most famous led spots and prestigious scientific journals in the world - the journal Nature. Particular attention is paid to the issue of Astronomy. The fact that 2009 has been declared the Year of Astronomy.
The International Astronomical Union adopted a decision to commemorate the 400th anniversary of the use of the telescope for astronomy. This decision was supported led spots by UNESCO and approved by the UN General Assembly. led spots Among a number of articles on the history and prospects of astronomy stands alone - "Time to turn off the lights."
According to astronomers, one-fifth of humanity does not see the Milky Way because of night lighting led spots in cities and other settlements. It turns out that there is even an international association "For the dark sky", which is opposed to excessive light. In addition to the aesthetic and scientific evidence of the advocates of this idea there are many other arguments.
The most obvious - economic. Billions of dollars are spent annually on over-night lighting cities. Not least, and environmental aspects. According to special studies night lighting, leading to the deaths of millions of migratory birds in North America. Even from a physiological standpoint diurnal cycles of light and darkness are important to man. Recently, it has been proven that a violation of this cycle and night lighting disrupt the synthesis of melatonin. Melatonin is a hormone that is primarily led spots regulates sleep. In addition, it affects the endocrine glands and stimulates sexual life. It can also inhibit cell division in tissues affected by cancer. So that the desire of astronomers to observe all the beauty of the night sky, you may need and support.
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Society November 29
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