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Latest Light pollution Stories

2011-12-20 08:00:00

ELLWOOD CITY, Pa., Dec. 20, 2011 /PRNewswire/ -- Appalachian Lighting Systems, Inc., (ALSI) today announced a new version of the company's solid-state parking garage/canopy light series that features embedded ALLink(TM) wireless control and monitoring. The ALLED® CL Series, featuring 21-, 33- and 41-watt fixtures designed to replace 70- to 175-watt high intensity discharge (HID) lights in parking garage and canopy applications, can now be wirelessly controlled...

2011-10-05 09:00:00

ELLWOOD CITY, Pa., Oct. 5, 2011 /PRNewswire/ -- Responding to municipalities' calls for a cost-justifiable, high performance LED street lighting solution, Appalachian Lighting Systems (ALSI) today announced the launch of its new ALLED® SL4, the industry's first LED street light featuring a two-way internal wireless control system. The ALLED® SL4 can be configured to replace 70- to 400-watt HID roadway Type III and V fixtures. It will save up to 75...

Exposure To 'White' Light Suppresses Melatonin
2011-09-12 09:39:25

  Exposure to the light of white LED bulbs, it turns out, suppresses melatonin 5 times more than exposure to the light of High Pressure Sodium bulbs that give off an orange-yellow light. "Just as there are regulations and standards for 'classic' pollutants, there should also be regulations and rules for the pollution stemming from artificial light at night," says Prof. Abraham Haim of the University of Haifa. "White" light bulbs that emit light at shorter wavelengths are greater...

2011-09-07 14:49:00

PEACHTREE CITY, Ga., Sept. 7, 2011 /PRNewswire/ -- With the goal to reduce and save on energy usage as well as maintenance costs along city streets, officials from the City of Boise, Idaho, selected to install four new LED products from Cooper Lighting, an industry leader committed to delivering innovative products and driving transformational technology in the lighting industry. These new products will replace and retrofit over 1,000 city street lights along collector roadways, bridges...

2011-08-06 00:00:30

LED Lighting manufacturer Evluma announces plans to expand its product line beyond the popular 40W & 50W outdoor dusk-till-dawn Clearlight and intends to enter the indoor lighting market with a dimmable LED PAR 64 ceiling light designed for use in ballrooms and conference centers. Prototypes of the PAR 64 LED lamp, plus a Clearlight horticultural lamp, a low pressure sodium equivalent lamp, and an acorn fixture LED Retrofit with multiple mounting options were demonstrated at The LED Show...

2011-07-26 06:00:00

BURLINGTON, Mass., July 26, 2011 /PRNewswire/ -- Residents of Boston will be seeing the city in a whole new, brighter light thanks to new light-emitting diode (LED) street lighting from Philips. Improving the city's energy use and environmental footprint, more than 14,000 mercury-vapor street and roadway luminaires are being replaced in Boston neighborhoods by Philips Hadco's New RX1 and RX2. The LED's - which maximize energy savings and provide uniform, comfortable and...

2011-07-11 08:00:00

SATELLITE BEACH, Fla., July 11, 2011 /PRNewswire/ -- Lighting Science Group Corporation (OTC: LSCG) Chairman and Chief Executive Officer Jim Haworth issued the following statement regarding the movement to pass the Better Use of Light Bulbs Act, H.R. 2417: "Energy efficiency is the most powerful and cost-effective tool for achieving a sustainable future. Improvements in energy efficiency can reduce the need for investment in energy infrastructure, cut fuel costs, increase competitiveness,...

2011-05-13 12:42:00

PEACHTREE CITY, Ga., May 13, 2011 /PRNewswire/ -- When an engineering study of the city of Bryan, Ohio, indicated that there was a need--and opportunity--for more energy-efficient street lighting, city officials began to research the best alternative to meet the city's needs. After an extensive evaluation process, the city chose two LED luminaires from Cooper Lighting, a division of Cooper Industries plc (NYSE: CBE), to replace its 150-watt high-pressure sodium (HPS) street lighting...

2011-04-26 07:00:00

SARASOTA, Fla., April 26, 2011 /PRNewswire/ -- Sunovia Energy Technologies' (OTC Bulletin Board: SUNV) EvoLucia LED Cobra Head SCHX5 was given the award for Best Outdoor Street Light, in its class, by the U.S. Department of Energy (DOE), the International Association of Lighting Designers (IALD) and the Illuminating Engineering Society (IES) in the 2010 Next Generation Luminaires(TM) Solid State Lighting Design Competition. Sunovia has once again proven that the EvoLucia Aimed Optics(TM)...

2011-04-22 11:36:00

BLOOMINGTON, Minn., April 22, 2011 /PRNewswire/ -- On Earth Day, Mall of America® announces its plan to replace 5,400 metal halide and high pressure sodium fixtures in the parking ramps with specially designed new fixtures featuring Light Emitting Diode (LED) technology from Acuity Brands, one of the world's leading providers of luminaires, lighting control systems and related products. The installation will begin in July of 2011. "To continue with our dedication to...


Latest Light pollution Reference Libraries

7_680ea780e47f127f8391cefcc37578012
2004-10-19 04:45:43

Light Pollution -- Light pollution refers to excess light, created by human activities, that brightens the night sky enough to hide many stars from observers. For the average person, light pollution means that even on a clear, moonless night, only a few stars may be visible. When a city grows up near an astronomical observatory, light pollution can make the observatory effectively useless. Unlike most forms of pollution, light pollution isn't persistent: turn the lights off, and the...

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