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<p>it is a man-made phenomenon, addressing its impacts on humans and the environment has political, social, and economic considerations.</p>

<p><big>Definitions</big></p>
<p>Light <a href="page.php?w=pollution">pollution</a> is the presence of  artificial light in otherwise dark conditions.</p>

<p>The term is most commonly used in relation to in the outdoor environment and surrounding, but is also used to refer to artificial light indoors. Adverse consequences are multiple; some of them may not be known yet. Light pollution makes it harder for people in</p><p>
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