Tag

Light Pollution
15
Feb

Photographing Death Valley’s starry skies shines a light on pollution

February 15, 2021
As an artist-in-residence at Death Valley National Park, photographer Harun Mehmedinović captured images of its night skies and increasing light pollution. In this snowy shot, he caught both stars and, on the right, the glow of the city of Las Vegas. BY CLAIRE TURRELL PHOTOGRAPHS BY HARUN MEHMEDINOVIĆ DEATH VALLEY NATIONAL Park is a land of extremes. Stretching...
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11
Feb

Study links exposure to nighttime artificial lights with elevated thyroid cancer risk

February 11, 2021
Source: https://www.eurekalert.org/news-releases/915929#:~:text=People%20living%20in%20regions%20with,of%20the%20American%20Cancer%20Society. Date: February 8, 2021 Summary: People living in regions with high levels of outdoor artificial light at night may face a higher risk of developing thyroid cancer. FULL STORY People living in regions with high levels of outdoor artificial light at night may face a higher risk of developing thyroid cancer. The finding...
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11
Feb

Associations between artificial light at night and risk for thyroid cancer: A large US cohort study

February 11, 2021
Dong Zhang, Rena R. Jones, Peter James, Cari M. Kitahara, and Qian Xiao. Associations between artificial light at night and risk for thyroid cancer: a large U.S. cohort study. Cancer, 2021 DOI: 10.1002/cncr.33392 Abstract Background Light at night (LAN) inhibits nighttime secretion of melatonin and may cause circadian disruption, which may be a risk factor for cancer. Recent...
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05
Feb

Light pollution linked to preterm births, reduced birth weights

February 5, 2021
University of Colorado Denver researcher finds nighttime brightness linked to 13% increase in preterm birth likelihood 28-Jan-2021 2:15 PM EST, by University of Colorado Denver Newswise — In a first-of-its-kind study, researchers discovered that light pollution leads to more than just wasted energy and washed-out starlight–it can increase the likelihood of a preterm birth by almost 13%. Laura Argys,...
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05
Feb

Light pollution, sleep deprivation, and infant health at birth

February 5, 2021
Argys, LM, Averett, SL, Yang, M. Light pollution, sleep deprivation, and infant health at birth. South Econ J. 2021; 87: 849– 888. https://doi.org/10.1002/soej.12477 Abstract We conduct the first study to examine the fetal health impact of light pollution based on a direct measure of skyglow, an important aspect of light pollution. Using an empirical regularity discovered in physics (called Walker’s law) as an instrumental...
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07
Jan

Viasat Requests FCC Look Into Environmental Impact of SpaceX’s Starlink Constellation

January 7, 2021
Source https://www.satellitetoday.com/broadband/2021/01/04/viasat-requests-fcc-look-into-environmental-impact-of-spacexs-starlink-constellation/ By Rachel Jewett | January 4, 2021 Viasat has taken issue with SpaceX’s request to lower the orbital altitude of its Starlink satellite constellation, and requested the FCC to prepare an environmental impact statement on Starlink.  In an FCC filing on Dec. 22, Viasat outlined its environmental concerns with Starlink and with SpaceX’s request to relocate the satellites to...
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15
Dec

Light Pollution and Cancer

December 15, 2020
Walker, W.H., II; Bumgarner, J.R.; Walton, J.C.; Liu, J.A.; Meléndez-Fernández, O.H.; Nelson, R.J.; DeVries, A.C. Light Pollution and Cancer. Int. J. Mol. Sci. 2020, 21, 9360. Abstract For many individuals in industrialized nations, the widespread adoption of electric lighting has dramatically affected the circadian organization of physiology and behavior. Although initially assumed to be innocuous, exposure to artificial...
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13
Dec

Light pollution row at huge units in Solihull already lit up ‘like a cruise liner’

December 13, 2020
Source: https://www.birminghammail.co.uk/news/midlands-news/light-pollution-row-huge-units-19438851 Residents in nearby lane objected to illuminated signs plan By David Irwin, Local Democracy Reporter 11 DEC 2020 Fears that illuminated signs would cause fresh upset for Solihull residents living in a leafy lane has seen strict conditions imposed on plans tabled for the huge units opposite. IAC Group, which is based at...
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22
Sep

Timpanogos Cave National Monument Named Second Urban Night Sky Place

September 22, 2020
The International Dark-Sky Association is pleased to announce the certification of Timpanogos Cave National Monument as an Urban Night Sky Place (UNSP). This International Dark Sky Place designation was developed in 2018 to draw attention to the role urban protected landscapes play in raising public awareness of light pollution. Timpanogos Cave is the first National Park Service...
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29
Apr

‘Losing the Dark’: Video Illuminates Threat of Light Pollution

April 29, 2020
A short video seeks to stem the rising tide of light pollution, which is robbing Earth of its dark night skies. Light pollution doesn’t just make it more difficult for professional and backyard astronomers to observe the heavens, according to the 6.5-minute film, which is called “Losing the Dark.” The loss of darkness also disrupts...
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