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Hydra26

Light Pollution

7 posts in this topic

Have you ever heard of light pollution?  It's the reflection of badly aimed man-made lights off of dust in the atmosphere giving the night sky a strange orange glow, and it really is sad.

Here's an image from the 2003 NE Blackout:

Posted Image

Notice how much nicer and more beautiful the first image is compared to the second?  Also notice the "glare bomb" light that blinds you when looking towards the house.  Much of this issue can be solved based on shielding lights, so that all light reaches the ground, thus saving money and allowing a lower wattage bulb for better illumination, because one isn't blinded by glare; glare actually decreases security because sharp, dark shadows allow criminals to hide, not to mention that many of us have had neighbors that shine a floodlight into your window for "security." I'd like to show a study done by the city of Chicago that demonstrates that light at night actually increases crime, because someone at night with a flashlight is much more suspicious than a person strolling through a yard. Here's an image demonstrating bad and good lights:

Posted Image

And it's not just our view of the night that's being hurt: Moths and other nocturnal creatures don't enter night behavior because twilight never ends; baby seaturtles are dying because they crawl towards the bright city lights.  Take a look at this light pollution map: you probably live in a white or red zone, like most people.  In fact, it's estimated that 80% of children born today will never see the milky way.  So help out by turning off or shielding your outdoor lights, only using them when required, and someday, find a true dark sky, give yourself 30 minutes to dark adapt, and see it in its full glory for yourself. :) Thanks for reading this whole thing!

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Interesting read. It is pretty sad with the light pollution. I remember how clear it was when visiting Yellowstone compared to back east.

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What in the world is that bright red off the (other )coast just south of New Orleans?

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I think those are oil rigs. 

 

Check out the difference between N and S Korea. 

 

It's a sad thing that millions of kids today have never seen the Milky Way with their own eyes. :unsure:

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I think those are oil rigs.  Check out the difference between N and S Korea.  It's a sad thing that millions of kids today have never seen the Milky Way with their own eyes. :unsure:

If there was an Earth Day contest amongst countries, North Korea would win every time! :P
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If there was an Earth Day contest amongst countries, North Korea would win every time! :P

Correction; Greenland wins. Followed by Niger.
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