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Light Pollution #824801
06/06/13 08:38 AM
06/06/13 08:38 AM
Joined: May 2010
Posts: 7,158
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Chimpanzee
Joined: May 2010
Posts: 7,158
United Kingdom
Light Pollution

Light pollution isn't just a problem for astronomers. It means the loss of an amenity for all of us now and the generations that follow. It affects the natural world, can ruin our health, wastes resources, and what's more, we're paying for it!

Light Pollution

Last edited by Mona - Astronomy; 06/28/15 05:49 AM.

Mona Evans
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Re: Light Pollution [Re: Mona - Astronomy] #824802
06/06/13 08:50 AM
06/06/13 08:50 AM
Joined: May 2010
Posts: 7,158
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Chimpanzee
Joined: May 2010
Posts: 7,158
United Kingdom

The reports that I used for the article are available online.

(1) Deda, Elbertzhagen & Klussmann, Secretariat of the Convention on the Conservation of Migratory Species of Wild Animals (UNEP-CMS)
Light Pollution and the Impacts on Biodiversity, Spaces and Their Habitats

(2) Gallaway, Olsen & Mitchell, The Economics of Global Light Pollution

(3) The Royal Commission on Environmental Pollution,
Artificial Light in the Environment


Last edited by Mona - Astronomy; 06/06/13 05:03 PM.

Mona Evans
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Re: Light Pollution [Re: Mona - Astronomy] #824813
06/06/13 11:52 AM
06/06/13 11:52 AM
Joined: Nov 2009
Posts: 2,691
Orange, CA USA
L
Lori - Marriage Offline
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Lori - Marriage  Offline
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Koala
L
Joined: Nov 2009
Posts: 2,691
Orange, CA USA
Nice article. Important info.

Even plants need rest time. They are stimulated by light and most species require dark periods to rest. Light pollution weakens them.


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Re: Light Pollution [Re: Lori - Marriage] #825944
06/14/13 05:51 AM
06/14/13 05:51 AM
Joined: May 2010
Posts: 7,158
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Chimpanzee
Joined: May 2010
Posts: 7,158
United Kingdom
Absolutely right, Lori. Plants also have their biological rhythms and light is important to them.

I remember going to an evening event at Kew Botanical Gardens and one of the glasshouses was open. They use green lighting. It's quite pretty, but the main point would be that plants aren't responsive to green light, so it minimized any possible damaging effects.


Mona Evans
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http://www.bellaonline.com/newsletter/astronomy
Re: Light Pollution [Re: Mona - Astronomy] #826117
06/16/13 04:40 AM
06/16/13 04:40 AM
Joined: May 2010
Posts: 7,158
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Chimpanzee
Joined: May 2010
Posts: 7,158
United Kingdom
For more information about any aspect of light pollution, including practical lighting tips, check out the International Dark-Sky Association.

The British Astronomical Association's Campaign for Dark Skies also has a wealth of information.


Mona Evans
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Re: Light Pollution [Re: Mona - Astronomy] #895519
06/28/15 05:56 AM
06/28/15 05:56 AM
Joined: May 2010
Posts: 7,158
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Chimpanzee
Joined: May 2010
Posts: 7,158
United Kingdom
Here is a night time picture taken in Yosemite National Park in California. It's a reminder of what is being stolen from us and plants and animals around the world.


Mona Evans
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http://www.bellaonline.com/newsletter/astronomy
Re: Light Pollution [Re: Mona - Astronomy] #899140
09/07/15 11:56 AM
09/07/15 11:56 AM
Joined: May 2010
Posts: 7,158
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Chimpanzee
Joined: May 2010
Posts: 7,158
United Kingdom
Canyonlands National Park, part of the National Park Service's Southeast Utah Group has just received Gold-Tier International Dark Sky Park status by the International Dark-Sky Association (IDA). It's been a national park since 1964 and has spectacular daytime scenery and spectacular night skies. For many visitors it's the first time they've ever seen the Milky Way.

Photo: A composite image of the night sky above the Doll House
Photo by Dan Duriscoe


Mona Evans
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Re: Light Pollution [Re: Mona - Astronomy] #899472
09/13/15 02:35 PM
09/13/15 02:35 PM
Joined: May 2010
Posts: 7,158
United Kingdom
Mona - Astronomy Offline OP
BellaOnline Editor
Mona - Astronomy  Offline OP
BellaOnline Editor
Chimpanzee
Joined: May 2010
Posts: 7,158
United Kingdom
Here's what 2/3 of Americans can't see at home. The Sierra Club reports that
Quote:
some man-made form of brightness has overshadowed the night sky's brilliance across most of the planet. That means health impacts on plants, animals and humans, and, of course, an utter loss of natural beauty as we lose the ability to see the constellations.

But a new study published in the journal Park Science suggests that national parks could be all that's left of the unpolluted night sky. There are hopes that collaborative efforts with local communities could cut back on some of the light pollution that destroys our view of the sky.


Mona Evans
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