Articles tagged with Light Pollution
Even low levels of nighttime light exposure can lead to structural changes in the heart, increasing the risk of cardiovascular disease. Researchers analyzed data from 11,017 participants and found that those exposed to higher levels of light saw a thickening of the heart's walls and reduced flexibility during a heartbeat.
Research of over 11,000 people found that high nighttime light exposure is associated with thickening of the heart's left ventricle and reduced flexibility during heartbeats. The study suggests that reducing nighttime light exposure could be a strategy for preventing heart disease.
A new ESO study warns that over 1.7 million proposed satellites could devastate astronomy by making the night sky brighter. Simulations show hundreds of satellites would be visible at any given time, polluting the sky with light and hindering observations of faint cosmic targets.
The University of Oldenburg is building a unique research facility to study animal navigation and magnetoreception. The NaviGate building will offer conditions worldwide for addressing current questions in animal navigation research, sensory biology, and neurosensorics.
A recent study by Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau found that light pollution significantly alters the composition of predatory spiders' diets, leading to reduced hatching of insects. The invasive signal crayfish also contributes to altered feeding behavior under nighttime lighting.
The European Southern Observatory (ESO) welcomes the cancellation of INNA, a planned industrial complex near Paranal Observatory. The project would have posed a major threat to the darkest skies on Earth and compromised the performance of advanced astronomical facilities.
A study by University of Exeter researchers found that moths move significantly less under artificial light compared to natural night conditions. The results suggest that light pollution has widespread effects on nocturnal moth activity, irrespective of lighting type, with implications for moth populations and ecosystem services.
New research reveals that artificial light at night silently reshapes the carbon balance of entire continents by increasing ecosystem respiration but not photosynthesis. This has major implications for climate models and global carbon budgets, with potential effects on ecosystems, animal behavior, habitats, and natural patterns.
A new study by Anglia Ruskin University found that firework displays trigger erratic flight patterns, abandoned roosting sites, and gathered in unusual locations among corvids. The study highlights the prolonged stress and disruption caused by firework noise and light pollution.
A new project at FAU aims to advance water quality monitoring in Lake Okeechobee by understanding how common contaminants break down after being released into freshwater environments. The team will deploy passive sampling devices and use cutting-edge chemical analysis to predict which contaminants are forming dangerous byproducts.
A new study revisits forecasts made in 2002 about the world's rocky shorelines, finding some threats have materialized while others have not. The researchers highlight the importance of addressing issues like ocean acidification and plastic pollution to protect coastlines.
Researchers mapped species' landscape connectivity needs at night to assess light pollution reduction urgency. A survey of 1,148 residents helped identify mutually beneficial zones and compromised areas for public lighting adjustments.
Researchers at KAIST develop a 'pedestrian-friendly smart window' technology that reduces heating and cooling energy consumption in urban buildings while resolving light pollution issues. The RECM system operates in three modes, allowing for real-time adjustment of light and heat transmission.
The global ocean has experienced a significant reduction in the depth of its photic zones, home to 90% of all marine life, leading to widespread ocean darkening. This change could have profound implications for the planet's marine species and ecosystem services.
A team of researchers from Télécom Paris and Politecnico di Milano has developed a system of optical micro-antennas integrated into a programmable photonic chip, which can adapt in real time to restore chaotic signals. This innovation paves the way for chaos-based encryption for secure high-speed communication in hostile environments.
A project aims to understand how temperature, light pollution, and bird abundance affect West Nile virus transmission in mosquitoes. The goal is to advise health departments on the best time to kill bugs and limit transmission.
Researchers propose darkening cities to improve biodiversity, human health, and reduce energy waste by embracing nocturnal living. Professor Nick Dunn's 'Dark Futures: When the Lights Go Down' presents a vision for an alternative future that reconnects humans with nature's rhythms.
A new ESO analysis confirms that the INNA megaproject will increase light pollution above the VLT by at least 35% and above the CTAO-South by more than 50%. The project will also increase air turbulence, impairing astronomical observations, while vibrations could seriously affect some facilities like the ELT.
Researchers investigate optimal seed mixes for prairie restoration, finding that single-origin seeds may be more effective than mixed-species blends. Meanwhile, a study on wind turbines reveals their potential impact on grouse habitats, while another finds giant pandas thriving in protected areas. Beetles, meanwhile, are making wood mo...
The AES Andes industrial complex, planned near Paranal Observatory in Chile's Atacama Desert, poses a critical risk to the planet's most pristine night skies. The project could irreparably impact astronomical observations, hindering significant research discoveries and breakthroughs.
A nationwide analysis of Japan's plastic litter removal from rivers found that natural disasters and extreme weather events contribute to spikes in collected plastic waste. The study, led by Tokyo University of Science, also identified positive correlations between basin population, plastic litter recovery, and cleanup activities.
New research reveals that 'cool' white lights used in modern car headlights cause moths to fly erratically and be more likely to collide with cars. By switching to warmer-coloured LEDs or different LED technology, the impact on moths can be dramatically reduced.
A new study found that artificial light significantly disrupts the circadian rhythms of honey bees, leading to impaired behaviors and reduced sleep periods. This poses a threat to their essential role as pollinators, supporting ecosystem stability and global food security.
A comprehensive assessment of human activity in the Arctic reveals that over 5% of the region is affected by light pollution, with an annual increase of 4.8%. The study highlights the critical need for monitoring and planning to support sustainable development and conservation in the Arctic.
Researchers found that light pollution disturbs moth behavior outside the illuminated area, causing them to fly in curvy paths. The study also revealed an interaction between artificial light and the moon's phase, affecting moths' orientation and flight patterns.
A study by UW researchers found a direct correlation between feeling 'wonder about the universe' and interest in astronomy. Populations with low light pollution reported higher levels of wonder, which led to increased interest in astronomy.
Researchers found that artificial light at night altered the behavior of female zebrafish, causing them to swim less, stick closer together, and exhibit anxiety-like behaviors. These changes were also observed in their offspring, even after they had never been exposed to light pollution themselves.
New research from Rush University Medical Center finds an association between outdoor light exposure at night and Alzheimer's disease prevalence in those under 65. The study suggests that higher nighttime light intensity may disrupt the body's natural sleep-wake pattern, leading to increased inflammation and disease risk.
Research found a positive association between outdoor nighttime light pollution and Alzheimer's disease prevalence, particularly in those under 65. Higher light intensity was associated with greater AD prevalence in this age group, suggesting they may be more vulnerable to the effects of light exposure.
Scientists found that tree leaves exposed to high levels of artificial light at night become tougher and less susceptible to insect damage, potentially harming urban food chains. This study highlights the impact of light pollution on plant properties and ecosystems.
New research reveals that artificial light at night (ALAN) attracts larval fish to artificially lit environments, reducing their chances of survival. ALAN has been shown to lower fish growth rates, metabolic rates, and overall survival, with serious consequences for fish conservation.
Early-life air and noise pollution exposure were associated with increased risk of psychotic experiences, depression, and anxiety from adolescence to young adulthood. Interventions to reduce pollution exposure could potentially improve population mental health.
Researchers have developed new optical tweezers that can stably trap large and irregularly shaped particles using contour-tracking technology. This advancement could expand light-based trapping to a wider range of objects, including groups of cells, bacteria, and microplastics.
Researchers developed Au-BiFeO3 nanocrystals with improved photocatalytic activity, achieving 98% methylene blue degradation efficiency. The nanoparticles' unique localized surface plasmon resonance and electron transfer mechanisms enhance their recyclability and stability.
A new study by University of New Mexico scientists reveals that night-migrating birds are at greater risk of colliding with buildings lit up with high levels of blue light. Pittas were found to be particularly sensitive to blue light pollution, and future shifts to white LED streetlights may increase collisions.
The Global Ocean Artificial Light at Night Network aims to expand on previous research, providing a central resource for marine light pollution expertise. Light pollution poses significant ecological harm, including disruptions to daily rhythms and reproductive cycles of marine species.
A new study published in Stroke found that exposure to artificial, bright outdoor nighttime light may increase the risk of cerebrovascular disease and stroke. The research, which analyzed data from over 28,000 adults living in China, suggests that higher levels of outdoor light pollution at night may be a risk factor for these conditions.
A new study analyzed 98,000 UAP sighting reports over a 20-year period, finding that the majority occurred in western parts of the US. The researchers identified 'hot spots' with high numbers of reports and 'cold spots' with low numbers.
Brazilian researchers developed a 3D zinc oxide photocatalyst that efficiently degrades sertraline, an emerging pollutant contaminating groundwater. The material's high photocatalytic activity and stability make it suitable for wastewater treatment.
Air quality in São Paulo fell far below standards and WHO recommendations despite reduced emissions during the pandemic. The study identified four main sources of aerosols: heavy vehicles, soil dust, light vehicles, and local sources, including industrial emissions and fires.
A study found that artificial light is a top indicator of where birds will land, leading to ecological traps and collisions. Urban parks can provide decent stopover sites, but competition over limited resources poses a significant risk to migrating birds.
Antiferromagnets exhibit fluctuations that can reveal information about their weakly magnetic material. Researchers developed a new method to detect these ultrafast fluctuations using ultrashort light pulses, leading to the discovery of telegraph noise.
A new study found that mountain lions avoid areas with artificial light, even during the day, which can impact their habitat selection and distribution. The research adds to concerns about the species' extinction within decades due to human activities.
Scientists developed a synthetic melanin that accelerates wound healing and protects against sun damage. The cream also quiets the immune system, allowing for continuous repair and reducing inflammation.
Studies using controlled experimental-ecosystem chambers found that even low intensities of light pollution have profound effects on individual species' responses and ecological networks. Artificial light alters the timing of key behaviors in mosquito populations, which may carry wide-scale consequences for disease transmission.
New research from MIT found that germicidal UV lights can produce potentially harmful compounds in indoor spaces. The study suggests that the lights should be used with appropriate ventilation to minimize health risks. Researchers emphasize that the new UV lights are not a replacement for ventilation but rather a complement to it.
Researchers found that two common songbirds have smaller eyes than their counterparts from less bright outskirts, adapting to urban light. This study suggests that sensory pollutants like human-caused light may play a role in the decline of bird populations.
Researchers developed a novel composite photocatalyst that selectively targets and degrades sulfamethoxazole in water with high efficiency. The composite's molecularly imprinted sites enhance adsorption of SMX, leading to superior performance.
Researchers at Shanghai Jiao Tong University have developed a new scattering matrix method that can sculpt light output with minimal optimization time. The method offers unparalleled nonlinear scattered light control, enabling high-resolution scanning microscopy and particle trapping through dense, scattering media.
New research from the University of Ottawa's Telfer School of Management suggests that managing public transit projects requires a comprehensive approach considering rational, psychosocial, and political dimensions. This involves engaging stakeholders, including non-users, to ensure societal impact and cost-effectiveness.
Researchers analyzed satellite images to find that major festivities like Christmas, Ramadan, Chinese New Year, and Diwali vary night-time lighting intensity globally. Light pollution has serious consequences for living organisms and can be mitigated with planning and management measures.
A new study by North Carolina State University researchers found that artificial light at night links with lower survival for two backyard bird species, the gray catbird and house wren. The study used data from a citizen-science program to investigate how light pollution affects birds' survival rates.
Research by the University of Sussex reveals that white light makes it harder for male common glow-worms to find glowing females, potentially disastrous consequences for global glow-worm populations. Male glow-worms spend more time in the bottom part of the maze without moving towards a female when dazzled by white light.
Artificial night-time light confuses a colour-changing coastal woodlouse, according to new research. The sea slater's ability to change colour and blend in is disrupted by diffuse light, making it more visible to predators.
A new study found that coastal light pollution causes corals to spawn one to three days closer to the full moon, reducing the likelihood of fertilized eggs surviving and producing new adult corals. This disrupts the natural spawning cycle, which is critical for reef recovery after mass bleaching events.
Researchers have developed a quantum lidar system that uses single-photon detection to acquire high-resolution 3D images underwater. The technology has the potential to inspect underwater installations, monitor submerged archaeology sites, and enhance security applications.
A new study found that dim light pollution can disrupt the dormant state of moths, leading to reduced survival rates. Researchers exposed urban and rural moth populations to artificial light at night, revealing a lack of adaptation in response to pollution.
A study suggests that artificial light at night disrupts the winter dormancy period of mosquitoes, causing them to bite humans and animals longer into the fall. This delay in diapause may increase the risk of West Nile virus transmission.
A new study found that artificial light at night increases top-down pressure on caterpillars, leading to higher mortality rates. The research used clay models of caterpillars to demonstrate the impact of light on predators in a forest ecosystem.
Researchers from China and Singapore study the radiative properties of polyamide-12, a common marine microplastic pollutant. They found that most of the incident radiation is scattered by PA12 particles, affecting ocean light transmission and marine ecology.