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Latest Light pollution Stories

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.

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.

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.

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.

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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.

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.

2010-10-28 00:00:40

Gama Sonic Introduces a New Line of Solar Lighting - the Royal Solar Lamp Posts Gama Sonic USA, the leading manufacturer of solar lighting, introduces their latest line of Solar Lamps, the new Royal Solar Lamp Posts.

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.

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.


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
ecotone
  • A transitional zone between two communities containing the characteristic species of each.
The word 'ecotone' comes 'eco-' plus a Greek root meaning 'tension'.