Light Polution (maps), And what we can’t see because of it, Its a shame
July 31st, 2010 | by admin |
The International Dark-Sky Association (IDA) defines light pollution as: Any adverse effect of artificial light including sky glow, glare, light trespass, light clutter, decreased visibility at night, and energy waste. Such an approach confuses the cause and its result, however. Pollution is the adding-of/added light itself, in analogy to added sound, CO2 etc. Adverse consequences are multiple, some of them may be not known yet. Real definitions are to be, therefore, like: Alteration of natural light levels in the outdoor environment owing to artificial light sources Light pollution is the alteration of light levels in the outdoor environment (from those present naturally) due to man-made sources of light. Indoor light pollution is such alteration of light levels in the indoor environment due to sources of light, which compromises human health. The US National Park Service, whose Night Sky Team determined that almost every park that it surveyed has noticeable light pollution, defines the term as: Principally, the illumination of the night sky caused by artificial light sources, decreasing the visibility of stars and other natural sky phenomena. Also includes other incidental or obtrusive aspects of outdoor lighting such as glare, trespass into areas not needing lighting, use in areas where or at times when lighting is not needed, and disturbance of the natural nighttime landscape. Light pollution obscures the stars in the night sky for city dwellers, interferes with …
Related Blogs
- Tricycle » China’s pollution worsens, prominent Tibetan conservationist arrested
- Environment: Updated Data Now Available from EPA: Toxic Release Inventory 2009
- 5 Ways to Create a Positive Work Environment
- Latest News on Environment, Climate Change, & Activism (Weekly Roundup) | GREENDUMP
- Swimming for Increasing Your Height @ health blog
4 Responses to “Light Polution (maps), And what we can’t see because of it, Its a shame”
By CreationPhotography on Aug 1, 2010 | Reply
the NEW world order police state and Fear mongering is responsible for 88% of light pollution and the spread of it fact is Street lights do not deter crime they invite crime but Motion activated lights are vary effective at cutting crime and motion lights come on only when they are needed saving you the tax payer money
By q7spiz on Aug 1, 2010 | Reply
@skinrich I guess it is a matter of taste, but hey: I’ll tell ya that I also don’t like allot of mainstream FM radio crap either. Maybe I might like a little bit of rock on there, but thats it. My stupidity detector goes off and the content along with some of the music becomes very annoying. LoL.
By skinrich on Aug 1, 2010 | Reply
@q7spiz yes artificial light made by humans, in the info box there is more on the subject and wiki link. I always put additional info somewhere isn’t it the video then its the info box. thought the music actually fitted well:P just a matter of music taste, ill be little more gentle with the music next time
By q7spiz on Aug 1, 2010 | Reply
Light pollution? Like from electrical lights? Interesting maps. Could do better on the music. Allot better. Sorry, lol. I can be quite a music critic sometimes.