Darkness News

IDA Recognizes India’s First Dark Sky Reserve

September 13, 2022 - Indian Express

Hanle, Ladakh in the northernmost regions of India is home to the Indian Astronomical Observatory and the Changthang Wildlife Sanctuary. The 22-mile radius area has already updated its lighting and is asking nearby residents to do the same.

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ALAN Harms Freshwater Wildlife and a Microscopic Level

September 12, 2022 - Environmental Pollution

A large-scale citizen science project at 617 German lakes and rivers conducted by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) that microbial diversity is falling most where light pollution is highest.

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National Toxicology Program Names Circadian Disruption as a Carcinogen

September 8, 2022 - PubMed

The NTP’s 15th federal report on cancer hazards includes an assessment report that certain lighting conditions at certain times on a persistent basis can cause breast cancer.

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Revised Maui Bird Safety Law Goes Before Review Committee

September 7, 2022

Bill 21 will limit outdoor lighting in the interest of protecting sea bird health has been amended to exempt most residential uses, emergency services and allow for temporary event permissions. Once reviewed by the City’s Climate Action, Resilience and Environment Committee it will go before the rest of Council for a final vote.

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Spruce Woods Provincial Park Recognized as a Dark Sky Preserve

September 6, 2022 - CBC News Manitoba

The Royal Astronomical Society of Canada has confirmed that the central Manitoba park as a dark sky preserve. This is the first for the province and the 27th in Canada.

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Killarney Nixes Housing Development For Bat Health

September 2, 2022 - The Irish Times

A proposed 228-home project has been cancelled because it would be too close to the flight path of the bats that live in Killarney National Park. Local board members specifically cited the lighting from equipment during construction as the issue, not the lighting for completed home.

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Night Shift Workers Can’t Adjust

September 1, 2022 - University of Warwick

Researchers at University of Warwick and Université Paris-Saclay have found that hospital workers on the night shift experienced the negative physical effects of circadian disruption even after years on that assignment.

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Alexandria Bay Port Lighting Draws Complaints.

August 31, 2022 - ABC50

The US Customs facility on Wellesley Island, NY was recently upgraded to LED and since then has been the subject light pollution complaints from locals. Environmental advocates from the island have pointed out that the port is near a wildlife sanctuary. USC and BP Agents say they need the light for boat inspections.

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Microbiome of Mice Studied Relative to Circadian Rhythm

August 30, 2022 - Nature

Intestinal biome drives circadian response to food but not light is the finding of a study from researchers at University of Wisconsin-Madison and University of Chicago. Furthermore, mice exposed to simulated jet-lag effects re-entrained at the same rate regardless of intestinal micro-biota.

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Amherst, NY Seeks Street Light Policy Revamp

August 29, 2022 - Daily Hampshire Gazette

Two city councilors have proposed new limits on color temperature — ‘decorative’ lamps would be limited to 2700 Kelvin, all others would be capped at 2200 K. Some lamps may also be removed based on an old energy savings plan.

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Lake Fork Valley Conservancy Open a Different Kind of Night School

August 26, 2022 - The Durango Herald

Lake City Skies is a new astrotourism venture for the region surrounding Durango, CO. The new program aims to establish a permanent observatory within the dark sky park.

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ALAN Slows Tail Regeneration in Salamanders

August 25, 2022 - Animals

Sharon E Wise’s team at Utica University have found that even small amounts of light at night did enough damage to the metabolism of red-backed salamanders that tail regrowth was measurably slower, which makes them less likely to reproduce and more likely to be preyed upon.

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