Awareness of Children to Save Energy
In Germany, children's approaches to eco-friendly ideas take many forms. A school, for example, produces electricity through solar panels and students can monitor energy use directly through a cellphone application. LED light saves a lot of energy. But the light contains more of the blue spectrum and cold light. With that, the sky above the city grew even brighter. This phenomenon is called light pollution. A rare sight: Clear skies In order to see the sky like this, one must now go to a faraway place. To a location far from civilization, on a deserted beach, or in the mountains. Wherever there are humans, the sky is always illuminated by artificial light. The result: the starlight fades and the possibility that one day the tark is again visible. LED light: Brighter and cheaper The newest types of lamps are very energy efficient, therefore they are increasingly being used. And there is another effect: for street lighting, cold white light of different wavelengths is often used. Thi