Franz Hölker and Pollution Free People Check 

( I'm Franz Hölker)
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Spiegel.de: Ambitious Efforts to Reduce Light Pollution in Germany and Elsewhere...

The eastern German area of Westhavelland is blessed with magical night skies, darker than almost anyplace else in the country. A

The future looks bright: light pollution rises on a global scale | Reuterswww.reuters.com › article

www.reuters.com
Nov 22, · Ecologist Franz Hölker of Germany's Leibniz-Institute for Freshwater Ecology and Inland Fisheries (IGB) said light pollution has ecological ...

Featured news - Light pollution shown to affect plant growth and food...

www.exeter.ac.uk
Light pollution shown to affect plant growth and food webs organised and edited by Kevin Gaston, Marcel Visser and Franz Hölker. ...

The future looks bright: light pollution rises on a global scale | Reuters

www.reuters.com
Ecologist Franz Hölker of Germany's Leibniz-Institute for Freshwater Ecology and Inland Fisheries (IGB) said light pollution has ecological ...
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