JohnBarentine, to Florida
@JohnBarentine@astrodon.social avatar

It’s one thing to light up bridges at night (which is already problematic for myriad environmental reasons). But it’s another to use that lighting for partisan reasons to express the state’s position toward a politically disfavored group.

This is using light at night as a tool of political warfare, and it’s wrong.

https://www.washingtonpost.com/nation/2024/05/21/florida-bridges-rainbow-lights-pride/

JohnBarentine, to random
@JohnBarentine@astrodon.social avatar

Lights Out Connecticut and the Menunkatuck Audubon Society are jointly hosting a webinar called "Humans and The Night Sky: Our Lost Heritage" on Tuesday, 4th June at 7 PM EDT (2300 UTC). Register for the event on: https://www.mobilize.us/audubon-chapters/event/628205/

JohnBarentine, to random
@JohnBarentine@astrodon.social avatar

Artificial light is good and beneficial to humanity. But it's also possible to have too much of a good thing.

Follow the Five Principles for Responsible Outdoor Lighting: https://darksky.org/resources/guides-and-how-tos/lighting-principles/

JohnBarentine, to random
@JohnBarentine@astrodon.social avatar

What's in a name? "While ‘artificial lighting’ may seem a fitting descriptor, it falls short in conveying the broader implications of human influence on night-time illumination."

https://journals.sagepub.com/doi/full/10.1177/14771535241244877

JohnBarentine, to Law
@JohnBarentine@astrodon.social avatar

New law review: "This Note argues that the existing tools in the Clean Water Act provide authority for the U.S. Environmental Protection Agency (EPA) to regulate light pollution and preserve the integrity of the nation’s waters."

https://scholarship.law.wm.edu/wmlr/vol65/iss6/6/

enobacon, to random
@enobacon@urbanists.social avatar

northern light from south of Portland looks the same as always, I thought the electromagnetic storm was supposed to bring power outages. #lightPollution

JohnBarentine, to Arizona
@JohnBarentine@astrodon.social avatar

"Preserving our dark skies provides economic opportunities, health benefits, reduces energy consumption, maintains cultural values and minimizes disruption to wildlife. It also has produced a thriving astro-tourism industry."

https://www.flagstaffbusinessnews.com/coconino-county-a-defender-of-the-dark/

JohnBarentine, to UnitedKingdom
@JohnBarentine@astrodon.social avatar

The U.K. All Party Parliamentary Group (APPG) for Dark Skies is hosting an in-person open meeting in London on Tuesday, 14th May.

Attendance is free; register on: https://www.eventbrite.co.uk/e/all-party-parliamentary-group-for-dark-skies-open-meeting-tickets-887599573217

JohnBarentine, to conservative
@JohnBarentine@astrodon.social avatar

Air and light pollution are both scourges of modern life in many world cities. affects the brightness of the night sky, and at night may make daytime worse. Find out why addressing both issues makes good sense.

https://www.darkskyconsulting.com/blog/the-air-light-pollution-connection

skyglowberlin, to random
@skyglowberlin@vis.social avatar

This week, I was at the Lighting Urban Community International annual meeting, in Montpellier, France. It was a fantastic experience to sit in a room full of people who work professionally on lighting, and hear speaker after speaker talk about everything their communities are doing to combat #LightPollution.

A lighting industry guy sitting next to me remarked after the first day "This meeting made me realize we're going to have to prepare new marketing materials".

A thread with highlights (1/)

skyglowberlin,
@skyglowberlin@vis.social avatar

In France, over 10,000 communities turn off their streetlights late at night (typically from 11-6 or 12-5), and Montpellier and surrounding towns are no exception.

In response to a question about the possible dangers of crime, a (male) representative of the city said (I'm summarizing) that in order to fix the problem of violence in the city, we should address the actual cause (asshole men), rather than put up lights.

#DestroyThePatriarchy
#LightPollution

(2/)

JohnBarentine, to climate
@JohnBarentine@astrodon.social avatar

"The higher overall (but variable) activity in communities underscores the need to address threats such as light pollution and climate warming that may disproportionately impact nocturnal insects."

https://www.nature.com/articles/s41467-024-47645-2

JohnBarentine, to conservative
@JohnBarentine@astrodon.social avatar

"If large sections of the Big Bend border were to be lit as they are elsewhere the impact would be immense. It could effectively end the Greater Big Big International Dark Sky Reserve and the binational effort."

https://bigbendsentinel.com/2024/04/17/new-border-lighting-initiatives-prompt-concern-over-dark-skies-environment/

#Border #Immigration #BorderPolicy #Conservation #DarkSkies #LightPollution

AskPippa, to space
@AskPippa@c.im avatar

Help reclaim our night skies.
Some few jurisdictions have bylaws about how outdoor lighting can be done.

https://darksky.org/resources/guides-and-how-tos/lighting-principles/

skyglowberlin, to Energy
@skyglowberlin@vis.social avatar

In response to the energy crisis, Copenhagen dimmed the lighting in the city. A mobile ethnographic study among 22 female citizens asked them about their experience of the change. A total of zero had noticed that the lighting had changed. https://iopscience.iop.org/article/10.1088/1755-1315/1320/1/012015/pdf

No one knows how bright anything is. There is tremendous flexibility to reduce #LightPollution and #Energy waste, simply by dimming streetlights. If you're concerned about a #ClimateCrisis, dimming is one of the easiest steps to take.

iangriffin, to random
@iangriffin@mastodon.nz avatar

Somewhat understated lighting on Ovation of the seas at Port Chalmers tonight. Bet the folks on board have an excellent chance of seeing starry skies at sea. Not. -

skyglowberlin, to random
@skyglowberlin@vis.social avatar

This is a really nice and important new paper by Chris Elvidge and collaborators about how common flickering lights are in our night environment: https://www.mdpi.com/2073-4433/15/4/438

Flickering lights are really common, as you can see in this gif I made of photos I took of a soccer field and the surrounding area in Germany.

In case there are any students looking for a thesis out there, this is an area of #LightPollution research that has had very little work done so far. (1/)

Animated gif showing a football field and the surrounding area where many lights are flickering off and on.

JohnBarentine, to solar
@JohnBarentine@astrodon.social avatar

Interesting new paper that's about "light pollution" but not so much at night.

tl;dr summary: sunlight polarized on reflection from farms might fatally confuse flying polarotactic aquatic .

https://www.mdpi.com/2072-4292/16/7/1177

JohnBarentine, to til
@JohnBarentine@astrodon.social avatar

For iNaturalist users interested in as it affects various species, there's a project for that: https://www.inaturalist.org/projects/affected-by-light-pollution

JohnBarentine, to random
@JohnBarentine@astrodon.social avatar

New research at a rural destination in Portugal suggests that "tourism is not a sufficient incentive for participants to take individual measures to mitigate light pollution".

https://www.tandfonline.com/doi/full/10.1080/21568316.2024.2332243

Yehuda, to baseball

Image 1 - A photo of a wall in my apartment illuminated by the lights 10 city blocks away at Wrigley Field (aka Cubs Park) with a shadow of me taking a photo of the wall.
Image 2 - The lights 10 city blocks away

The lights 10 city blocks away.

JohnBarentine, (edited ) to austria
@JohnBarentine@astrodon.social avatar

A new law in Upper comes into force on 1st May 2024 that regulates public outdoor lighting, including athletic fields. Features include a 10pm-6am curfew; 3000K CCT limit; and full cut-off requirement with 70° maximum beam angle.

https://www.meinbezirk.at/oberoesterreich/c-politik/neues-umweltgesetz-soll-lichtverschmutzung-einschraenken_a6580333

skyglowberlin, to random
@skyglowberlin@vis.social avatar

Money from the European Maritime and Fisheries Fund was reportedly used to construct this irresponsible installation!

Harbors are home to sea life. This appears to be a direct assault on "Life Below Water" (UN sustainability goal 14). It is shocking that public funding was approved for a project that apparently intentionally emits pollution directly into the sea.

#LightPollution
#EMFF
#Biodiversity

skyglowberlin, to random
@skyglowberlin@vis.social avatar

PSA for anyone with a pet:

A recent position paper lays out recommendations for the sleeping environments of mammals. It is important that mammals have a dark place to sleep - the authors recommend below 0.1 lux (melanopic EDI): https://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.3002535

If you can read a book in the place your pet sleeps, it's definitely over that limit. If a streetlight is shining into your living room or bedroom window, contact your city to get them to install a shield.



skyglowberlin, to climate
@skyglowberlin@vis.social avatar

Königswinter Germany reduced annual electricity consumption for street lighting from 1300 MWh to 385 MWh from 2017-2022, including turning off many streetlights during midnight to 5 am. The result was a savings to the city of 80,000€ per year.

The police of Bonn did a crime study, and found that there was no measurable change.

-Andreas Hänel,




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