When was the last time you witnessed a clear, starry night sky, not disrupted by smog, airplanes and floodlights? If you are a city-dweller like most of us, then perhaps, you are still lost in thought. The chemical trash that is dumped into the atmosphere on a regular basis, a purple sky with a pink moon is just a dream. Setting the poetry aside, light pollution is a bane on the urban life, which impacts not just human life but also wildlife and energy resources. Light pollution is a…