LEX – Light pollution Efficiency indeX Andrej Mohar, Dark Sky Slovenia 8 th European Symposium for the Protection of the Night Sky Vienna, August 22, 2008.

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Presentation transcript:

LEX – Light pollution Efficiency indeX Andrej Mohar, Dark Sky Slovenia 8 th European Symposium for the Protection of the Night Sky Vienna, August 22, 2008 Maribor

Slovene Light Pollution law – adopted on August 31, 2007 Italy Villach Beljak KlagenfurtCelovec Drei Länder Eck Tromeja Austria Slovenia

Celovec / Klagenfurt Beljak / Villach Škofja Loka Medvode Kranj Typical sky in rural areas in Europe One of the darkest point in EU Central Alps in Austria at 2000 m, Nockalmstrasse No single point with natural sky in EU !

Night sky at Lastovo island Croatia Bari (180 km) Lastovo (3 km), Korčula Island (20 km)

Milky way reflection in Lastovo sea Lights of Bari, 180 km away

Milky way at Črni vrh Observatory 21.2 mag

Milky way on Lastovo Island 21.7 mag

Welcome to the 1st International Dark Sky Camp Lastovo, August 25 - September 1, 2008 Info: Andrej Mohar Mobile:

Since September 2007 (adoption of law) LP activities and results in Slovenia are 100 -times easier and more efficient

From 1970 to W150 W (FCO) +20 % Light Pollution Law consequences in Ljubljana higher level of road illumination !!!

LJUBLJANA, Tržaška street Less energy consumption, better uniformity, less glare, less light pollution darker building less nuisance

Old New (FCO) less glare, beter visibility !!! Ljubljana, Tivolska road

Efficiency of Part.Lom.SLOCat.Flan.UK Light Pollution Law pointslaw nuis. 1Street lighting (including railways) 30 Prohibition of emitting light above the horizontal 0 % ULOR or 0 cd / klm above 90 degrees16 Average ULOR 0.5 %2 Average ULOR 1.0 %0 Average ULOR 2.0 %-5 CIE recommendations with 4 categories (E4-E1)-30 Prohibition of accumulating lamps Relation between the distance and the height of lamp posts should exceed No restriction of use Restriction of use Comment: energy reduction also forces owners to use flux reducers (curfew) Maximally 30 kWh per resident12 Maximally 40 kWh per resident10 Maximally 50 kWh per resident8 8 Maximally 60 kWh per resident4 Maximally 70 kWh per resident2 Maximally 80 kWh per resident0 Curfew, Illumination cannot exceed EU min. values, energy increase less than 1% 55 Yearly use should not increase by more than 1 %1 No restriction of use-10

Efficiency of Part.Lom.SLOCat.Flan.UK Light Pollution Law pointslaw nuis. 2Restricting the lighting with UV and blue colour 3 A very strict prohibition of using blue light3 Restriction of using light sources above 3000K (maximally 20 % of lamps)2 White light can be used in pedestrian areas only and if efficiency > 90 lm/W22 A suggestion to use lamps with the emphasis on the yellow part of the spectrum1 11 No restrictions-10 3Prohibition of sky-beamers and advertising with light beams 1 Complete prohibition of all light beams11111 Allowed but need to ask for permission-2 Light beams are not prohibited-5

Efficiency of Part.Lom.SLOCat.Flan.UK Light Pollution Law pointslaw nuis. 4Lighting for industrial premises (including ports and airports) 8 Prohibition of emitting light above the horizontal Average ULOR 0 % or 0 cd /klm above 90 degrees555 Average ULOR 1.0 %3 Average ULOR 2.0 %1 No restrictions-5 Restriction of use Restriction of common use (facades & billboards & parking places (0.09W / 0.015W)) 3 3 Maximal luminance 1 cd /m222 No restrictions-5

Efficiency of Part.Lom.SLOCat.Flan.UK Light Pollution Law pointslaw nuis. 5Lighting for trading centres, gas stations, sport grounds, etc. 8 Prohibition of emitting light above the horizontal Average ULOR 0 % or 0 cd /klm above 90 degrees5 5 Average ULOR 0 % or 0 cd /klm above 90 degrees, softer rules for big football areas 44 Average ULOR 1.0 %3 Average ULOR 2.0 %1 No restrictions-5 Restriction of use Restriction of common use (façades, advertising inscriptions, parking places (0.09W 0.015W)) 3 3 Maximal luminance 1 cd /m222 No restrictions-4

Efficiency of Part.Lom.SLOCat.Flan.UK Light Pollution Law pointslaw nuis. 6Lighting for schools, hospitals, kindergartens 2 Prohibition of emitting light above the horizontal Average ULOR 0 % or 0 cd / klm above 90 degrees111 Average ULOR 1.0 %1 Average ULOR 2.0 %0 No restrictions-2 Restriction of use Restriction of common use (facades, billboards, parking places (0.09W 0.015W))1 1 Maximal luminance 1 cd /m211 No restrictions-2

Efficiency of Part.Lom.SLOCat.Flan.UK Light Pollution Law pointslaw nuis. Lighting for billboards 8 Lighting with 0 % ULOR Lighting only with 0 % ULOR55 Lighting from above3 33 No restrictions-10 Restrictions of power or luminosity Maximally 10 cd /m2 (small) - 2 cd/m2 (big)3 Maximally 35W/m2 for billboards in size of 12 m2 (Slovene law)1 1 Internal light can go up but not more than 4500 lm (Lombardy law)22 No restrictions of power-5 9Lighting for facades of business premises, schools, etc. 4 Lighting with 0 % ULOR Average ULOR 0 % or 0 cd /klm above 90 degrees333 Facades can be lit from below (maximally 10 % of light can pass by the building) -5 No restrictions-10 Restriction of use Restriction of luminosity 1cd/m2111 No restrictions of luminosity or use-5

Efficiency of Part.Lom.SLOCat.Flan.UK Light Pollution Law pointslaw nuis. 10Lighting for cultural heritage (churches, castles, monuments) 8 Maximally 1 cd/m2, maximally 10% of light passing by888 Maximally 5 cd/m2, maximally 10% of light passing by0 Maximally 5 cd/m2, % of light passing by the building is not defined-5 No restrictions-10 Results of illumination

Efficiency of Part.Lom.SLOCat.Flan.UK Light Pollution Law pointslaw nuis. 11Security of accommodation spaces 4 Maximally 0.2 lx at the window4 Maximally 1 lx at the window2 UK law against nuisance1 1 Slovene version (from 0.5 lx to 5 lx depending on the distance from the road)1 1 No restrictions Prohibition of selling lamps which emit light above the horiz. for domestic use 3 Complete prohibition of lamps which emit more than 0 % ULOR above the horizontal 3 Authorised marketing of lamps with up to 10 % ULOR1 No restrictions-2 This room has less than 1 lx on their window, but mother is very worried for her child and she asked Dark Sky Slovenia for help.

Efficiency of Part.Lom.SLOCat.Flan.UK Light Pollution Law pointslaw nuis. 13Can the lighting be mounted only by a registered person/company 2 Lighting can be planned only by engineer with good CV and LP law training22 22 Lighting can be planned by an electrical designer without being a specialist on lighting-2 14Lighting can be mounted only based on the project which also includes pollution 3 Each external lighting must be based on a project with environmental permit33 3 Each external lighting above 1 kWh must be based on a project with environmental permit2 Each external lighting above 10 kWh must be based on a project environmental permit1 1 External lighting does not have to be based on a project without environmental permit-4 15 What is the share of old lighting that needs to be replaced because of the Law 10 Entire lighting needs to be replaced10 Only lighting in radius of 10/30 km from observatories needs to be replaced44 No need to replace old lighting-5

Efficiency of Part.Lom.SLOCat.Flan.UK Light Pollution Law pointslaw nuis. 16Government support to NGO (evironment) for promotion, education, etc. 2 Stable financing of more than 100,000 EUR per 1 million residents2 Stable financing of more than 50,000 EUR per 1 million residents1 No promotion, no financing, only volunteer work-5 17Fines and efficiency of inspection 4 Fine in amount of above 10,000 EUR, efficient inspectors4 Fine in amount of above 10,000 EUR, average efficient inspectors222 Fine in amount of above 10,000 EUR, inefficient inspectors1 11 Fine in amount of above 1,000 EUR, efficient inspectors2 2 Fine in amount of above 1,000 EUR, inefficient inspectors-2 Points total (maximum is 100 points or 100 %)

LEX – Light pollution Efficiency indeX Protection Degradation