How Outdoor Lighting damages the Environment

●●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● Ecological problems from outdoor lighting – and possible solutions using LED technology ●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● Christian Reinboth HarzOptics GmbH Dipl.-Wi.-Inf.(FH) www.harzoptics.de ●●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●●●

●●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● Overview ●●●●●●●●●● ● What is light pollution? ●●●●●●●●●● ● LED lighting – a solution? ●●●●●●●●●● ● LED lighting – a poblem? ●●●●●●●●●● ● Other energy saving ideas

●●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● Lighting and the environment ●●●●●●●●●● ● Energy demand ●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●●● 4 bn KWh / year (BRD) 35 bn KWh / year (EU) ~ 21,8 mil t CO2 / year This equates to the combined need of Berlin, Brandenburg and Mecklenburg-Western Pomerania ●●●●●●●●●● ● Light pollution / smog Graphic © Alexander Cremer

Anthropogenic climate change ●●●●●●●●●●●●●●●●●● Graphics © www.globalwarmingart.com ●●●●●●●●●●●●●●●●●●●

Glacier in Boulder, Colorado ●●●●●●●●●●●●●●●●●● Graphics © www.globalwarmingart.com ●●●●●●●●●●●●●●●●●●●

●●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● Worldwide sea level risks Graphics © www.globalwarmingart.com

●●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● Destroying the night sky... 50% of all Europeans are already unable to see the Milky Way with the naked eye Pictures © Jeremy Stanley

...all over the world ●●●●●●●●●●●●●●●●●● Switzerland: 2.800 km² of settlement area destroys the natural night sky over an area of 41.000 km² Picture © Dark Skies Switzerland ●●●●●●●●●●●●●●●●●●●

Vincent Van Gogh – Arles, 1888 ●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●●●

●●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● Light pollution in Wernigerode Highly inefficient „ground spots“ at the Nikolaiplatz

●●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● Street lights are insect killers Gas discharge lamps kill about 150 insects per night - several billion insects per year in Germany alone Pictures © Prof. Eisenbeis, Uni Mainz

AuLED lighting research project ●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●●●

Increased energy efficiency ●●●●●●●●●● ● ~30% less energy use compared to GDL ●●●●●●●●●● ● Additional dimming can save up to 20%

Focused light dispersion ●●●●●●●●●●●●●●●●●●●● ● ●●●●●●●●● ●●●●●●●●●● ● Independent of mast height and distance ●●●●●●●●●● ● More focused light reduces light pollution

Additional advantages ●●●●●●●●●● ● Color spectrum similar to daylight ●●●●●●●●●● ● Insect-friendly light (less attraction) ●●●●●●●●●● ● Long life span (close to 50.000 hours)

First-rate lighting technology ●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●●●

●●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● First live tests are underway LED street lights in Brandenburg an der Havel Picture © Meetingpoint Brandenburg

●●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● Where there is light... LED illumination in Obergrombach (16.000 LEDs) Pictures © Rolf Kaiser

How else can we save energy? ●●●●●●●●●●●●●●●●●● Polymeric sidelight fibers for indirect lighting applications (developed by tti GmbH, HarzOptics GmbH and DieMount GmbH) ●●●●●●●●●●●●●●●●●●●

●●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● Thank you very much! ●●●●●●●●●●●●●●●●●● ●●●●●●●●●●●●●●●●●● http://www.harzoptics.com ●●●●●●●●●●●●●●●●●●● http://www.led-street-light.info ●●●●●●●●●●●●●●●●●●●

How Outdoor Lighting damages the Environment

by Christian Reinboth on Jun 30, 2009

Accessibility

Categories

Tags

Upload Details

Usage Rights

2 Embeds 3

Statistics

How Outdoor Lighting damages the Environment — Presentation Transcript

http://www.slideshare.net	2
http://isle-karnataka.org	1