slovenia has survived 4 years since adoption of light pollution legislation andrej mohar, dark-sky...
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Slovenia has survived 4 years since adoption of Light Pollution Legislation
Andrej Mohar, Dark-Sky Slovenia11th European Symposium for the Protection of the Night Sky, Osnabrück, 7th October, 2011
Europapark Kőln
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Slovenia has adopted in august Slovenia has adopted in august 2007 perhaps the most 2007 perhaps the most advanced light pollution advanced light pollution legislation on our planetlegislation on our planet (similar (similar to Lombardy type of law)to Lombardy type of law)
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Ljubljana had before LP legislation better (newer) lighting than average German city
Below: results after reconstruction
ULOR > 1 %
ULOR 0 %
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Cities and towns
are main sources of light pollution
This is why Slovene light pollution legislation request 0% ULOR for all luminaires without any zones
we in Slovenia understand zoning as technical mislead
Just 1 % of light going a little above horizon can increase light pollution by 100 %
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In the first year(s) since adoption of LP legislation was a strong pressure that:
1. There will be more accidents
Result: Slovenia decreased number of deaths in trafic accidents by almost half since 2007.
2. Energy consumption in public lighting will increaseResult: savings in communities either planned or realized are 40 % to 60%.
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Poraba izbranih občin pred (rdeče) in po (zeleno) uskladitvi javne razsvetljave z Uredbo o mejnih vrednostih svetlobnega onesnaževanja okolja
(v kWh / prebivalca / leto)Projekte je pripravilo podjetje SOČAPROJEKT d.o.o., Tolmin
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Energy savings in communities in Slovenia in Energy savings in communities in Slovenia in kWh/person/year:kWh/person/year:
red (kWh/person/year before reconstruction), red (kWh/person/year before reconstruction),
green after reconstruction according to Slovene LP Lawgreen after reconstruction according to Slovene LP Law
Average energy savings are between 40% - 60 %Average energy savings are between 40% - 60 %
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Zaplana Observatory – 25 km distance from Ljubljana - 0.1 magnitude darker
Črni Vrh observatory – 40 km distance from Ljubljana - 0.1 magnitude darker
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Slovene law
Lombardy law
UK nuisanceFlanders law
Catalonian law
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LEX – Light pollution Law Efficiency indeX
Protection
Degradation
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OldNew (FCO)
less glare, beter visibility !!!
Ljubljana, Tivolska road
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From 1970 to 2007 2008
250 W 150 W (FCO)+20 %
Light Pollution Law consequences in Ljubljana
higher level of road illumination !!!
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Camera position
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Importance of LP protection factors:
1.Zero (0%) light above horizontal
2. No blue light
3. Use lower levels of illumination
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BTC (commercial center) in Ljubljana as seen from Šmarna gora BTC (commercial center) in Ljubljana as seen from Šmarna gora hillhill
Extreme importance of zero light (0% ULOR) above horizon – this is the most important factor to reduce light pollution
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Church in TupaličeChurch in Tupaliče
No comment…..
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LIFE project – LIFE AT NIGHT
budget 595.000 euro
3 ½ years
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A special projection luminaire was developed by Dark-Sky Slovenia & Euromix company (Life at night project)
This technology This technology can provide that can provide that less than 1 % of less than 1 % of light pass by light pass by fassadefassade
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Leaflets for children…
LIFE project – LIFE AT NIGHT
budget 595.000 euro
3 ½ years
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Leaflets for children…
Dark-Sky Slovenia3 full time employees
LIFE at NIGHT
Project Futurelights (Slovenia – Italy) – participant 95.000 euro
Several new projects in procedure
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Villach, Austria, 59.000 inhabitants
RoadScan System
commercial product, patent pending
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Main road in Tarvisio, 4800 inhabitants
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EcoCandela Measuring System
Brightness of roads, fassades, billboards – commerical product
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Light Pollution and Energy Efficient Outdoor Lighting
Dark-Sky Slovenia, 2010, 28 pages
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15Diploma thesis
Mentor prof. dr. Igor Žiberna,
Dept. of Geography, University of Maribor
3times on German TV, once on TV YLE, Finland, …
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Illumination in Outdoor Advertising
Dark-Sky Slovenia, Oct 2011,
28 pages
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Initiative and (co) realisation of
4 International Symposiums for Dark-sky Parks (last one at Montsec, Spain)
Lastovo 2011Thank you for your attention