Die helle Not


Original Title:

    Die helle Not
    The plight with light

      Keywords:

      Lichtverschmutzung Light pollution Nachthimmel Night sky Beleuchtung Lighting

      Description:

        Link mit Informationen ueber künstliche Lichtquellen - ein unterschaetztes Naturschutzproblem
        Link with information about artificial light sources - an underestimated ecological problem

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              The license of the work Die helle Not by reimers
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