Quantcast

Latest Light pollution Stories

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...

2011-04-08 00:00:28

Three employees among the first in the nation to receive certification Yorba Linda, Calif (Vocus/PRWEB) April 07, 2011 Keeping at the forefront of the latest lighting-industry standards, Precision-Paragon P2 announced today that three of its lighting professionals have become among the first in the nation to obtain a new, high level of lighting system sustainability certification. Two of the employees were among only six in the nation to reach the new high-level certification offered by the...

2011-03-02 21:32:27

The brightness of the nightly sky glow over major cities has been shown to depend strongly on cloud cover. In natural environments, clouds make the night sky darker by blocking the light of the stars but around urban centers, this effect is completely reversed, according to a new study by a group of physicists and ecologists at the Free University of Berlin (FU) and the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB). "We found that overcast skies were almost three times...

2011-02-23 12:18:00

OVERLAND PARK, Kan., Feb. 23, 2011 /PRNewswire/ -- LightWild announced today that the United States Patent and Trademark Office has awarded the company a patent for a method of displaying images on building facades. Issued as U.S. Patent No.7,6888,280 B2, the award applies to the company's approach to illuminating building facades with patterned arrangements of color-changing solid-state lighting fixtures. Commonly referred to as LED grids, LightWild has several examples of the patented...

2011-02-09 22:42:46

Brightly-lit Cowboys Stadium during Sunday's Super Bowl XLV may symbolize one of the hottest new pieces of scientific intelligence about air pollution: Researchers have discovered "” in a classic case of scientific serendipity "” that the bright light from sports stadiums and urban street lights may boost daytime levels of ozone, a key air pollutant in many heavily populated areas. That's among the topics included in a broader article about the chemistry of air pollution in the...


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...

More Articles (1 articles) »
Word of the Day
endocarp
  • The hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed.
This word comes from the Greek 'endon,' in, within, plus the Greek 'kardia,' heart.
Related