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Latest Light pollution Stories

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...

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2011-01-31 11:55:00

The Isle of Sark, the smallest of four main Channel Islands, earned the title "Dark Sky Island" for its spectacular night sky views. Sark has its fair share of visitors in the summer months and is also a haven for rare wildlife. The island is full of wildflower walks, scarecrow competitions and sheep races. The International Dark Sky Association (IDA) has declared Sark the first "dark sky island" in the world. The organization is devoted to preserving the darkest and most beautiful night...

2010-12-23 08:00:00

SATELLITE BEACH, Fla., Dec. 23, 2010 /PRNewswire/ -- Lighting Science Group's (OTC Bulletin Board: LSCG) high-performance PROLIFIC series LED street lights will soon line the streets of Washington, D.C. Compared with traditional high pressure sodium (HPS) street lights, the PROLIFIC LED series street lights are 50% more efficient, provide more uniform light distribution, increase light levels, and will save Washington, D.C. tens of thousands of dollars each year in energy and maintenance...

2010-10-28 00:00:40

Gama Sonic USA, the leading manufacturer of solar lighting, introduces their latest line of Solar Lamps, the new Royal Solar Lamp Posts. Golden, CO (PRWEB) October 27, 2010 Gama Sonic USA, the leading manufacturer of solar lighting, introduces their latest line of solar pamps, the new Royal Solar Lamp Posts. Following on the heels of their recently announced Imperial Solar Lanterns; the Royal Solar Lamp Post comes in 6 different models. With the Royal Solar Lamp Post it's possible to...

2010-10-18 08:00:00

SATELLITE BEACH, Fla., Oct. 18 /PRNewswire/ -- Lighting Science Group's (OTC Bulletin Board: LSCG) high-performance PROLIFIC series LED street lights will soon line the streets of Salt Lake City, Utah. Compared with traditional high pressure sodium (HPS) street lights, the PROLIFIC LED series street lights are 50% more efficient, provide more uniform light distribution, increase light levels, and will save Salt Lake City tens of thousands of dollars each year in energy and maintenance...

2010-10-12 05:18:00

NORTHVALE, N.J., Oct. 12 /PRNewswire/ -- RAB announces a big upgrade to the LPACK product line, raising the bar of performance for Affordable Outdoor LED Lighting. Shipping now, the LPACK13 is a high-performance LED Wallpack that has even higher efficiency and faster payback for those making the switch to LED. The LPACK13 replaces 150W Metal Halide Wallpacks and can be mounted at heights up to 20 feet. Compared to the LPACK10, the LPACK13 produces 94% more lumens and is 84% more...

2010-09-21 08:00:00

SATELLITE BEACH, Fla., Sept. 21 /PRNewswire/ -- To accelerate the installation of ultra-efficient LED lighting, Efficiency Vermont is now offering businesses rebates for the installation of Lighting Science Group's (OTC Bulletin Board: LSCG) new DEFINITY line of LED bulbs, PROLIFIC Series street lights and Shoebox fixtures. Chosen as a result of their rigorous LM-79 performance testing and excellent color rendering index and efficacy, Lighting Science Group's ultra-efficient LED bulbs...

2010-09-21 08:00:00

DANVERS, Mass., Sept. 21 /PRNewswire/ -- The first ever OSRAM SYLVANIA Commercial Lighting Survey, released today, revealed the priorities and experiences of over 350 facilities decision-makers and lighting designers across the education, healthcare, hospitality, office and retail sectors. The survey sheds light on the current and emerging needs of building professionals and defines how highly efficient LEDs are shaping the future of commercial spaces. Among its key findings, an...

2010-09-20 22:47:54

Intermittent light system more cost-effective than incandescent illumination When consumers visit garden centers in spring they will most likely buy flowering ornamental plants that are ready for their home gardens. Studies have shown that consumers favor plants that are already in flower rather than those that are "vegetative""”a preference that can present multiple challenges for commercial growers. To satisfy consumers' wishes, producers of ready-to-flower ornamentals like bedding...

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2010-09-18 07:57:26

The increase of artificial night lighting is only one of the consequences of intense urbanization. There is no doubt that chemical and noise pollution can have a strong impact on ecosystems. To date, however, the more subtle consequences of light pollution on wild populations of animals have not received enough attention. Scientists of the Max Planck Institute for Ornithology have now shown that permanent night lighting alters the reproductive behavior of birds. In those habitats that are...


Latest Light pollution Reference Libraries

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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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Word of the Day
cock-a-hoop
  • Exultant; jubilant; triumphant; on the high horse.
  • Tipsy; slightly intoxicated.
This word may come from the phrase 'to set cock on hoop,' or 'to drink festively.' Its origin otherwise is unclear. A theory, according to the Word Detective, is that it's a 'transliteration of the French phrase 'coq a huppe,' meaning a rooster displaying its crest ('huppe') in a pose of proud defiance.' Therefore, 'cock-a-hoop' would 'liken a drunken man to a boastful and aggressive rooster.'
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