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    THE PLIGHT WITH LIGHT Artificial Light Sources - an underestimated ecological problem Wilfried Doppler, Ombudsoffice for Environmental Protection Vienna August 22nd, 2008                  wilfried.doppler@wien.gv.at PowerPoint PPT Presentation

Title: THE PLIGHT WITH LIGHT Artificial Light Sources - an underestimated ecological problem Wilfried Doppler, Ombudsoffice for Environmental Protection Vienna August 22nd, 2008 wilfried.doppler@wien.gv.at - PowerPoint PPT Presentation

Description: THE PLIGHT WITH LIGHT Artificial Light Sources an underestimated ecological problem Wilfried Doppler – PowerPoint PPT presentation

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