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CIE Webinar on Light Pollution in Celebration of the International Day of Light 2026

Online (Zoom)


The CIE invites you to join its upcoming special webinar on the topic of light pollution, in celebration of the International Day of Light 2026 (May 16). The webinar will take place on Friday, May 15, 2026 at 15:00 CEST, as the International Day of Light falls on a Saturday this year.

The webinar will explore how science-based approaches can inform responsible lighting design—balancing the benefits of light for safety and wellbeing with the need to protect the environment and preserve the night sky. The session is open to the interested public and the light and lighting community, including students and early-career professionals.

Stay tuned for further updates on speaker details and registration information.


This webinar is part of the CIE project “Understanding Science – Understanding Light”, featuring one of its key topics, Light & Health.

This event is supported by the Vienna Business Agency. A fund of the City of Vienna.