What can we do against light pollution?

1. Every light needs to be justifiable
2. Limit the use of light to when it is needed
3. Direct the light to where it is needed
4. Reduce the light intensity to the minimum needed
5. Use light spectra adapted to the environment
6. When using white light, then in ‚warm‘ colour temperature (less than 3000 Kelvin)

                                                                                                                                                                                                      The Loss of the Night Network has elaborated recommendations to avoid common mistakes in outdoor lighting

• The full statements for best practice on outdoor lighting and recommendation for nature parks.
• Illustrated flyers for best practice on outdoor lighting:

• EN_Allow the Night to Show Its Beauty (view) / EN_Allow the Night to Show Its Beauty (print)
  DE_Naturschutz nach Sonnenuntergang (Ansicht) / DE_Naturschutz nach Sonnenuntergang (Druck)

• recommendations for nature parks:   EN_Light at Night Done Right (view) / EN_Light at Night Done Right (print) / DE Ist es hell oder schon zu grell? (Ansicht) / DE_Ist es hell oder schon zu grell? (Druck)

Further statements:

• The Biosphärnreservat Rhön hands out best practice guidelines (German)
• Best practice guidelines from Austria are available cost free (German)

• The Upper Astrian administrative court granted a copmlaint against lighting of a ski lift according to the Nature Conservation Act (granted complaint Oö Verwaltungsgericht- German)
• The Canton Solothurn (CH) has developed a checkliste to avoid unnecessary light emission (German) for the planning permission of constructional work.
• Planning legal aspects about light emission (CH) are presented in a book chaper by Urs Eymann (German)
• The Andalusian Department of Nature and Environment hands out guidelines (Spanish)

Find more links to organisations here

The standard EN13201 is a non-binding recommendation, it is not the law

LoNNe strongly advises to significantly reduce the current proposed minimum street lighting levels (luminance and illuminance) in the street lighting norm  EN 13 201, find here the reasons and the LoNNe objection to the street lighting norm EN 13201.

• The green public procurement (GPP) 2020 aimed to mainstream low-carbon procurement across Europe in support of the EU’s goals to achieve a 20% reduction in greenhouse gas emissions, a 20% increase in the share of renewable energy and a 20% increase in energy efficiency by 2020. Find here:
  • GPP2020_webinar_about requirements for green street_lighting by Andrej Mohar, Dark – Sky, Slovenia
  • GPP_2020_webinar_about street_lighting_in dark sky park_Wasserkuppe in Germany by Sabine Frank, Mathias Hahner and Andreas Haenel.