Noise Pollution
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Noise Pollution
Noise pollution is unwanted or excessive human-generated sound that interferes with health, communication, sleep, learning, wildlife behavior, and the functioning of ecosystems. Although noise is often treated as an inconvenience rather than a pollutant, a large body of research now identifies chronic environmental noise as an important public-health and ecological problem.
Major sources include road traffic, railways, aircraft, industrial activity, construction, workplaces, shipping, recreational vessels, machinery, and dense urban development. The effects extend far beyond hearing damage. Long-term exposure has been associated with cardiovascular disease, hypertension, sleep disturbance, cognitive impairment, psychological stress, metabolic disease, reduced quality of life, and premature mortality.
Noise also alters ecological systems. Birds, mammals, amphibians, insects, fish, marine mammals, and other organisms depend on sound for communication, navigation, predator detection, mating, feeding, and social behavior. Human-generated sound can therefore change animal behavior, reduce reproductive success, interfere with feeding, and make otherwise suitable habitat less usable.
Human Health and Environmental Noise
Public-health research increasingly treats environmental noise as a significant health risk. Transportation noise from roads, airports, and railways is particularly important because large populations experience it repeatedly over many years.
Studies reviewed by the World Health Organization and other health authorities associate chronic noise exposure with sleep disturbance, annoyance, cardiovascular disease, impaired cognition, hearing problems, and reduced well-being. The biological effects of noise can occur even when sound is not loud enough to damage hearing directly.
Noise activates physiological stress responses. Repeated exposure can increase stress hormones, disturb autonomic nervous-system activity, interfere with sleep, and contribute to vascular inflammation and elevated blood pressure. These pathways may help explain observed associations between long-term transportation noise and heart attacks, strokes, hypertension, and other cardiovascular outcomes.
Recent research also examines links between environmental noise and metabolic disorders. Large cohort studies have reported associations between road-traffic noise and type 2 diabetes, while other research has investigated obesity and related cardiovascular risks among populations exposed to aircraft noise.
Sleep represents one of the most important pathways through which noise affects health. Aircraft, railway, and road noise can cause awakenings, changes in sleep stages, increased heart rate, and reduced sleep quality. Repeated nighttime disturbance may produce cumulative health consequences even when individuals become accustomed to the presence of noise.
Hearing, Workplaces, and Occupational Exposure
Occupational noise remains an important cause of preventable hearing loss. Workers in manufacturing, construction, transportation, mining, agriculture, and other noisy industries may experience repeated exposure capable of permanently damaging hearing.
The National Institute for Occupational Safety and Health emphasizes exposure measurement, engineering controls, quieter equipment, administrative practices, and hearing protection as methods of reducing workplace risk. Noise exposure is generally evaluated according to both sound level and duration, because prolonged exposure to moderately high noise can be as damaging as shorter exposure to very intense sound.
Workplace noise can affect more than hearing. Research has associated noisy environments with physical stress, mental fatigue, impaired communication, reduced concentration, and other health concerns.
Some occupational hazards can also interact with noise. Exposure to certain solvents, metals, pesticides, and other substances with ototoxic properties may increase vulnerability to hearing damage when combined with loud sound.
Children, Learning, and Cognitive Development
Children may be particularly vulnerable to chronic environmental noise because learning depends heavily on attention, memory, speech perception, and communication.
Research involving schools near airports and major transportation corridors has repeatedly examined relationships between noise exposure and reading comprehension, memory, attention, and academic performance. Several studies have found poorer reading outcomes among children attending schools exposed to high levels of aircraft or traffic noise.
Natural experiments involving changes in airport operations have provided additional evidence that children's cognitive performance can change when environmental noise exposure rises or falls.
Classroom noise can also interfere directly with speech. When children cannot clearly hear teachers or classmates, more cognitive effort may be required simply to understand spoken information. This can reduce the attention available for learning and memory.
Research has additionally explored relationships between childhood noise exposure, hyperactivity, anxiety, psychological well-being, and later mental-health outcomes.
Cardiovascular, Metabolic, and Mental Health Effects
A substantial portion of modern noise research focuses on diseases that develop after years of exposure.
Long-term road, railway, and aircraft noise has been investigated in relation to hypertension, myocardial infarction, stroke, cardiovascular mortality, dementia, diabetes, obesity, depression, and anxiety.
Large population studies in Europe and North America have found associations between traffic noise and cardiovascular or metabolic outcomes even after researchers attempt to account for air pollution and socioeconomic differences.
Noise annoyance itself may also be important. Persistent inability to escape unwanted sound can create psychological stress and reduce feelings of control over one's surroundings. Longitudinal research has linked severe noise annoyance with later symptoms of depression, anxiety, and sleep disturbance.
Researchers have also investigated possible effects during pregnancy, including relationships between environmental noise and fetal growth, birth weight, preterm birth, and other outcomes. Evidence varies between studies, but the subject has become an important area of environmental-health research.
Wildlife and Terrestrial Ecosystems
Anthropogenic noise is increasingly recognized as an ecological pollutant capable of altering animal communities and ecosystem processes.
Animals use sound for mating, territorial defense, predator warnings, locating prey, maintaining social groups, and navigating their environments. Human-generated noise can mask these signals or distract animals from interpreting them.
Birds are among the most extensively studied groups. Traffic, industrial, and urban noise can alter song frequency, calling behavior, settlement patterns, breeding timing, parental behavior, nestling development, predator detection, and reproductive success.
Some birds adjust their calls to avoid frequencies dominated by traffic noise, but behavioral adaptation does not necessarily eliminate ecological costs. Animals may still expend additional energy, lose communication range, or abandon noisy habitat.
Bats are also vulnerable. Experiments have shown that traffic and industrial noise can reduce foraging efficiency, interfere with prey detection, and decrease activity in otherwise suitable feeding habitat.
Amphibians, primates, insects, spiders, and other terrestrial organisms also show behavioral or physiological responses to human-generated sound. Research involving frogs, monkeys, mongooses, giraffes, and invertebrates demonstrates that acoustic disturbance can influence movement, vigilance, communication, feeding, reproduction, and stress.
Large reviews and meta-analyses increasingly support treating anthropogenic sound as a broad environmental pressure rather than a problem affecting only a few noise-sensitive species.
Marine and Underwater Noise
The ocean is naturally filled with sound, and many marine organisms depend heavily on acoustic information. Human activities have dramatically altered these underwater soundscapes.
Important sources include commercial shipping, ferries, recreational vessels, seismic exploration, construction, pile driving, military activity, and industrial development.
Whales and dolphins rely on sound for communication, navigation, social organization, and finding prey. Vessel noise can mask calls, reduce communication distance, increase vocal effort, interfere with feeding, and cause animals to avoid important habitat.
Research involving right whales has provided particularly influential evidence. A reduction in shipping activity following the September 11, 2001 attacks produced an unusual natural experiment in which lower underwater noise coincided with reduced physiological stress in North Atlantic right whales.
Beluga whales, narwhals, pilot whales, killer whales, and other cetaceans have also been studied for responses to vessel noise. In some cases animals call louder or longer, while in others communication or feeding success declines despite behavioral compensation.
Noise affects fish and invertebrates as well. Studies have documented altered behavior, stress responses, changes in habitat use, reduced larval settlement, and disruptions to predator-prey interactions.
Growing shipping activity makes underwater noise an increasingly important conservation issue in regions including the Arctic, the Salish Sea, the Western Indian Ocean, and other biologically important marine environments.
Environmental Justice and Unequal Exposure
Noise pollution is not distributed evenly across society.
Studies in the United States and Europe have found that lower-income populations, racial and ethnic minorities, residents of historically marginalized neighborhoods, and people living near major transportation infrastructure can experience disproportionately high noise exposure.
Historic land-use decisions can influence present-day exposure. Highways, airports, industrial areas, railway corridors, and other noisy infrastructure have often been located near communities with less political and economic power.
Housing quality also affects exposure. Wealthier households may have greater ability to move away from noisy areas, install sound insulation, or choose buildings with quieter interior environments.
Research linking transportation noise with historic redlining and socioeconomic disadvantage illustrates how acoustic exposure can become part of a broader pattern of environmental inequality.
Noise therefore represents not only a health and environmental issue but also a question of urban planning, housing, transportation policy, and environmental justice.
Noise Mapping and Public Policy
Governments increasingly use geographic noise maps to identify populations exposed to transportation noise.
In the United States, the National Transportation Noise Map combines modeled highway, aviation, and railway sound to illustrate regional patterns of exposure. Such tools allow planners and researchers to examine relationships between infrastructure, population, and environmental inequality.
The United States established a national noise-control policy with the Noise Control Act of 1972, although much responsibility for regulating environmental noise later shifted to state and local governments.
The European Union has developed a more systematic regional framework through the Environmental Noise Directive. Major cities, roads, railways, and airports are required to produce recurring noise maps and action plans.
Noise regulation can include vehicle standards, aircraft restrictions, land-use rules, building requirements, workplace protections, operating-hour restrictions, and standards governing machinery and transportation equipment.
Urban Planning and Noise Mitigation
Noise can be reduced through changes in transportation systems, urban design, infrastructure, and technology.
One strategy is to reduce noise at its source. Quieter vehicles, railway equipment, aircraft, industrial machinery, ship designs, road surfaces, and tires can decrease sound before it spreads into surrounding communities.
Low-noise pavement is an important example. Road-surface texture strongly influences tire noise, particularly at higher vehicle speeds. Porous asphalt, rubberized materials, and optimized pavement designs can reduce traffic noise under appropriate conditions.
Barriers and building design can further reduce exposure. Acoustic walls, building orientation, insulation, setbacks, and strategic land-use planning can prevent noise from reaching homes, schools, hospitals, and other sensitive locations.
Urban vegetation and green space may also contribute to quieter environments. Parks, vegetation networks, and other green infrastructure can provide physical and psychological separation from transportation corridors while simultaneously reducing heat and air pollution.
Transportation policy may generate multiple environmental benefits. Reducing car dependence, improving public transportation, encouraging walking and cycling, electrifying vehicles, lowering speeds, and redesigning cities around shorter trips can reduce greenhouse-gas emissions, air pollution, and noise at the same time.
Marine noise can likewise be reduced through quieter ship technologies, lower vessel speeds, rerouting traffic away from sensitive habitats, regulating seismic exploration, and limiting especially disruptive activities during important breeding or feeding periods.
Noise Pollution as a Global Environmental Issue
The accumulated evidence suggests that noise pollution should be considered alongside air pollution, water pollution, artificial light, habitat loss, and other major human alterations of the environment.
Its importance is partly hidden because sound leaves no visible residue. A noisy highway or shipping lane may appear environmentally intact even while altering human physiology or disrupting animal communication across a large area.
Noise is also unusual because exposure can sometimes be reduced rapidly. When traffic decreases, flight paths change, machinery becomes quieter, or ships slow down, acoustic conditions can improve almost immediately.
This makes noise reduction a potentially powerful component of public-health and conservation policy. Measures aimed at quieter transportation and better-designed cities can simultaneously improve sleep, cardiovascular health, learning environments, wildlife habitat, neighborhood quality, and overall well-being.
Conclusion
Noise pollution is far more than an annoyance. Research across medicine, epidemiology, ecology, acoustics, transportation, and urban planning shows that persistent human-generated sound can influence health and ecosystems at many levels.
For people, chronic noise is associated with disrupted sleep, stress, cardiovascular disease, metabolic disorders, hearing damage, impaired learning, mental-health effects, and reduced quality of life. Children, workers, older adults, and communities located near transportation or industrial infrastructure may face particularly important risks.
For wildlife, noise can interfere with communication, feeding, predator detection, reproduction, movement, and habitat selection. These effects occur on land and beneath the ocean, where shipping and other industrial activities increasingly dominate natural soundscapes.
The distribution of noise also raises questions of environmental justice because exposure frequently overlaps with socioeconomic disadvantage and historically unequal patterns of development.
Unlike many forms of pollution, however, noise can often be reduced directly through better technology, transportation policy, land-use planning, building design, green infrastructure, workplace protections, and quieter machinery. Recognizing sound as an environmental resource—and excessive human-generated noise as pollution—creates opportunities to design healthier communities and more resilient ecosystems.
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Human Health, Cardiovascular, Metabolic, and Sleep Effects
| Wei Liu et al. | npj Clean Air | July 3, 2026
This study investigates how road-traffic noise, air pollution, and residential green space interact with trajectories involving hypertension, type 2 diabetes, and cardiovascular disease.
| European Environment Agency | EEA | 2026
The EEA's latest major assessment finds that transportation noise remains one of Europe's leading environmental health risks and contributes to cardiovascular, metabolic, sleep, cognitive, and other health burdens.
| Mohammad S. Razai, Eoin King, Azeem Majeed and Peter James | The BMJ | November 3, 2025
This clinical review examines evidence connecting long-term environmental noise with sleep disruption, cardiovascular disease, psychological stress, cognitive problems, and premature mortality.
| Enock Havyarimana et al. | Environmental Research | August 15, 2025
A UK Biobank cohort study examines road and railway noise and dementia, finding associations between road traffic noise and Alzheimer's disease and between railway noise and some dementia subtypes.
| Ajit Niranjan | The Guardian | June 24, 2025
Reporting on new EEA findings, this article describes the large European population exposed to harmful transportation noise and the resulting health and economic burdens.
| Jennifer Biddle | UC Davis Center for Occupational and Environmental Health | June 2, 2025
This overview examines current noise research, health impacts, inequitable exposures, and directions for stronger public-health policy.
| Stephan P. Mayntz et al. | JACC: Advances | May 21, 2025
The AIRCARD prospective study examines decades of road-noise and air-pollution exposure and finds an independent association between traffic noise and cardiovascular events.
| World Health Organization | WHO | March 19, 2025
WHO identifies urban noise as one of several environmental exposures generated by poorly designed cities and transportation systems that contribute to noncommunicable disease.
| European Court of Auditors | European Court of Auditors | 2025
This special report concludes that although European cities have made progress on air pollution, excessive road, railway, and aircraft noise remains a persistent urban-health problem.
| Scandinavian environmental-health researchers | Environmental Research | December 1, 2024
This study evaluates long-term road-traffic noise alongside source-specific air pollution and cardiovascular inflammatory biomarkers, illustrating the difficulty of separating multiple transportation exposures.
| World Health Organization | WHO Europe | August 4, 2024
WHO describes updated methods for measuring the disease burden associated with noise-related annoyance, sleep disturbance, cardiovascular disease, depression, dementia, and cognitive impairment.
Modeling around Baltimore-Washington International Airport estimates substantial long-term mortality, illness, and quality-of-life costs associated with increased aircraft noise following changes in flight paths.
| Matthew Bozigar et al. | Environment International | May 2024
Data from two Nurses' Health Study cohorts living around 90 U.S. airports are used to investigate whether long-term aircraft noise exposure contributes to obesity and related cardiovascular risk.
| Thomas Münzel et al. | Circulation Research | April 25, 2024
This review explains epidemiological and biological evidence linking transportation noise to ischemic heart disease, heart failure, stroke, vascular dysfunction, inflammation, and hypertension.
| Researchers from the Nurses' Health Studies | Environmental Epidemiology Research | 2024
Two large cohorts of U.S. nurses show a modest association between long-term nighttime aircraft noise exposure and the incidence of hypertension.
| Researchers from the Swedish National Study on Aging and Care | Environment International | 2024
A longitudinal study of older adults examines whether long-term road, railway, and aircraft noise exposure accelerates cognitive decline or increases cognitive impairment.
| Shan Wu et al. | Environmental Science and Pollution Research | March 2023
A meta-analysis of nearly five million participants finds cohort evidence linking higher road-traffic noise exposure with increased type 2 diabetes risk.
| Staff Writer | Harvard T.H. Chan School of Public Health | February 2, 2023
Harvard public-health researchers discuss how chronic noise can disturb sleep and trigger physiological stress responses associated with long-term disease.
| Guang Hao et al. | Environmental Research | September 2022
A UK Biobank analysis and meta-analysis finds associations between road-traffic noise and cardiovascular disease, stroke, and all-cause mortality.
| Aboud Kourieh et al. | Occupational and Environmental Medicine | April 2022
The longitudinal DEBATS study finds that increasing aircraft-noise exposure among people living near French airports is associated with a higher incidence of hypertension.
| Stephanie Dutchen | Harvard Medicine Magazine | Spring 2022
This overview examines evidence connecting noise pollution with hearing damage, cardiovascular disease, diabetes, sleep disruption, cognitive problems, mental health, and developmental effects.
| Mette Sørensen and colleagues | Environmental Research | 2022
A Danish cohort of more than 286,000 people finds long-term road-traffic noise associated with higher type 2 diabetes incidence after accounting for lifestyle, socioeconomic factors, and air pollution.
| UK Biobank researchers | Environmental Health Research | 2022
Analysis of more than 300,000 UK Biobank participants finds road-traffic noise associated with type 2 diabetes, with stronger associations among overweight and obese participants.
| Environmental-health researchers | Diabetes/Metabolism Research and Reviews | 2022
A systematic review and dose-response meta-analysis evaluates prospective evidence linking road, railway, and aircraft noise with type 2 diabetes.
| Kelly Bilodeau | Harvard Health | December 1, 2021
This article reviews a large Danish study finding associations between long-term transportation noise exposure and increased risk of dementia and Alzheimer's disease.
| Mette Sørensen et al. | The BMJ | September 2021
A nationwide Danish cohort of nearly two million older adults finds long-term road and railway noise associated with increased dementia risk, particularly Alzheimer's disease.
| Martin Röösli and colleagues | European Heart Journal | 2021
A case-crossover analysis of almost 25,000 cardiovascular deaths near Zürich Airport finds evidence that intense nighttime aircraft-noise events may acutely trigger cardiovascular mortality.
| Danish environmental-health researchers | Environmental Health Perspectives | 2021
Nationwide Danish data associate long-term road, railway, and possibly aircraft noise with increased type 2 diabetes risk and estimate the population burden attributable to transportation noise.
| Researchers studying São Paulo | Environmental Health | 2021
A small-area study around Congonhas Airport finds increasing trends in cardiovascular and coronary-heart-disease mortality with higher aircraft-noise exposure.
| Saeha Shin et al. | Journal of the American Heart Association | March 17, 2020
A population-based Toronto study examines long-term road-traffic noise in relation to the incidence of both diabetes and hypertension.
| Harvard Health Publishing | Harvard Health | March 1, 2020
Harvard reviews research linking chronic traffic and aircraft noise with stress-system activation, vascular inflammation, heart attacks, strokes, and other cardiovascular events.
| Anne-Sophie Evrard et al. | Environmental Research | 2020
Pooled data from residents around ten European airports examine how aircraft-noise exposure, annoyance, and individual noise sensitivity interact with hypertension risk.
| Marta Rojek et al. | Journal of Hypertension | July 2019
Residents with decades of aircraft-noise exposure showed higher nighttime blood pressure and greater arterial stiffness in a study comparing high- and low-noise areas.
| Michael G. Smith et al. | Building and Environment | February 2019
Laboratory experiments show that ground-borne railway noise from underground trains can produce physiological sleep disruption and poorer self-reported sleep.
| Danish Nurse Cohort researchers | Environmental Health Perspectives | 2019
Long-term residential road-traffic noise exposure is evaluated against diabetes incidence over several decades among nearly 29,000 Danish nurses.
This systematic review evaluates research on environmental noise and quality of life, well-being, depression, anxiety, and other mental-health outcomes.
| World Health Organization | WHO Europe | October 10, 2018
WHO explains the evidence behind its Environmental Noise Guidelines and calls excessive noise one of Europe's important environmental health hazards.
| Susan Mayor | The BMJ | October 10, 2018
This article describes WHO recommendations for reducing exposure to road, railway, aircraft, wind-turbine, and leisure noise to protect public health.
| Queen Mary University of London | Queen Mary University of London | October 9, 2018
Researchers involved in WHO noise guidelines explain why reducing road, railway, and aircraft noise can help prevent cardiovascular disease and sleep disturbance.
This WHO evidence review assesses relationships between road, rail, aircraft, and wind-turbine noise and hypertension, ischemic heart disease, stroke, diabetes, and obesity.
| Nina Roswall et al. | Environmental Research | January 2018
Long-term Danish data support an association between road-traffic noise and diabetes while finding little evidence for an equivalent railway-noise association.
Adults living near Orio al Serio International Airport reported greater annoyance and sleep problems in noisier zones, with investigators also examining hypertension and blood pressure.
| Sara Andersson et al. | Environmental Research | 2018
The Swedish Betula project examines the separate and combined contributions of road noise and traffic-related air pollution to dementia risk.
| Michael G. Smith et al. | Journal of the Acoustical Society of America | May 2017
Controlled experiments show that railway vibration and noise separately and jointly increase awakenings, sleep-stage changes, and nighttime heart-rate responses.
| Klea Dimakopoulou et al. | Occupational and Environmental Medicine | 2017
Follow-up research around Athens International Airport examines aircraft and road traffic noise in relation to hypertension and cardiovascular outcomes.
| Michael G. Smith et al. | Sleep | 2016
Simulated nighttime freight-train vibration and noise fragment sleep, increase awakenings, and alter normal sleep architecture.
| Marie Lefèvre et al. | Occupational and Environmental Medicine | 2016
French airport research finds an exposure-response relationship between nighttime aircraft noise and hypertension among men.
| Di Huang et al. | Noise & Health | March-April 2015
A meta-analysis of more than 16,000 participants evaluates evidence that living with aircraft-noise exposure increases hypertension incidence.
| Mette Sørensen et al. | Environmental Health Perspectives | 2013
A Danish cohort study finds long-term residential road-traffic noise associated with increased diabetes incidence independently of several lifestyle and pollution factors.
| Sibylle Pennig et al. | Journal of the Acoustical Society of America | November 2012
Field measurements near German railways show that the number of nighttime trains, particularly freight trains, influences annoyance and reported awakenings.
| Mette Sørensen et al. | PLOS ONE | 2012
Prospective Danish data find a dose-dependent association between long-term residential road-traffic noise and first myocardial infarction.
| World Health Organization | WHO | December 1, 2011
WHO summarizes environmental noise as an underestimated health threat associated with sleep disturbance, cardiovascular effects, impaired school and work performance, hearing problems, and reduced well-being.
| Peter Moszynski | The BMJ | April 1, 2011
This report discusses WHO findings that environmental noise ranks among Europe's largest environmental causes of lost healthy life years.
| World Health Organization | WHO Europe | March 30, 2011
WHO reports that traffic noise causes a substantial burden of disease through annoyance, sleep disturbance, heart disease, learning impairment, and tinnitus.
| Kerstin Persson Waye and colleagues | Noise & Health | 2011
Home polysomnography indicates that railway-noise events can shorten REM sleep and that maximum indoor noise levels may be particularly important predictors of disruption.
| Peter Lercher et al. | International Archives of Occupational and Environmental Health | 2010
The ALPNAP study links railway noise and nighttime annoyance with sleep-medication use, questioning assumptions that rail noise is inherently less disturbing than road noise.
| Charlotta Eriksson et al. | Environmental Health Perspectives | 2010
A Swedish follow-up study examines gender differences in hypertension risk associated with long-term aircraft-noise exposure.
| Moo-Yong Rhee et al. | Hypertension Research | April 2008
Residents near military helicopter and fighter-aircraft bases in Korea were studied for relationships between chronic aircraft noise and hypertension.
| Charlotta Eriksson et al. | Occupational and Environmental Medicine | 2007
A Stockholm cohort provides longitudinal evidence suggesting that chronic aircraft-noise exposure may raise the risk of developing hypertension.
| Wolfgang Ising and colleagues | Environmental Health Research | 1990
Experiments involving military low-altitude aircraft noise document acute increases in blood pressure and cardiovascular reactivity at very high sound levels.
Occupational Noise and Hearing
| National Institute for Occupational Safety and Health | CDC/NIOSH | April 13, 2026
NIOSH summarizes national statistics on hazardous occupational noise exposure, hearing difficulty, tinnitus, ototoxic chemicals, and use of hearing protection.
| National Institute for Occupational Safety and Health | CDC/NIOSH | April 13, 2026
NIOSH reviews the prevalence and consequences of occupational hearing loss and emphasizes that most workplace noise-related hearing damage is preventable.
| Centers for Disease Control and Prevention | CDC | April 13, 2026
CDC provides an overview of noise-induced hearing loss from occupational, recreational, household, and community sound exposures.
| National Institute for Occupational Safety and Health | CDC/NIOSH | February 16, 2024
NIOSH explains how employers can prevent occupational noise-induced hearing loss through exposure assessment, engineering controls, administrative measures, and hearing protection.
| National Institute for Occupational Safety and Health | CDC/NIOSH | January 31, 2024
NIOSH explains sound levels, time-weighted averages, noise dose, dosimeters, and other tools used to determine whether workplace noise is hazardous.
| National Institute for Occupational Safety and Health | CDC/NIOSH | January 30, 2024
This guide explains hazardous workplace noise, the 85-dBA recommended exposure limit, industries at risk, and methods for preventing permanent hearing loss.
| National Institute for Occupational Safety and Health | CDC/NIOSH | January 18, 2024
This resource hub brings together research, surveillance, measurement tools, prevention guidance, and statistics on occupational noise and hearing loss.
| Ellen Kerns and Elizabeth Masterson | NIOSH Science Blog | June 28, 2018
The authors explain that occupational noise can affect more than hearing, contributing to physical stress, mental stress, fatigue, and other health concerns.
| National Institute for Occupational Safety and Health | CDC/NIOSH | March 2018
NIOSH explains how workplace noise can interact with solvents, heavy metals, pesticides, and other ototoxic substances to increase the risk of hearing damage.
| National Institute for Occupational Safety and Health | CDC/NIOSH | February 8, 2016
This article distinguishes occupational noise limits from recommendations intended to protect people from environmental and recreational noise exposures.
Children, Schools, and Cognition
This systematic review finds that speech noise can impair children's verbal working memory while environmental noise can interfere with academic performance, particularly reading.
| Researchers studying roadside schools | Environmental Research | 2024
Measurements in roadside classrooms find excessive noise associated with poorer attention and cognitive-test performance among schoolchildren.
| Kiook Baek, Chulyong Park and Joon Sakong | Noise & Health | May 12, 2023
Research involving Korean elementary schools near military airfields finds evidence that chronic aircraft noise may adversely affect children's cognitive performance.
| Rhiannon Thompson et al. | Environment International | January 2022
An updated systematic review and meta-analysis examines environmental noise and cognition across the lifespan, including reading performance among children.
| Charlotte Clark et al. | Journal of Environmental Psychology | August 2021
This meta-analysis finds evidence that aircraft noise at school is associated with poorer reading comprehension and increased hyperactivity scores.
This WHO systematic review evaluates evidence linking aircraft, road, and railway noise with children's reading, memory, attention, and other cognitive outcomes.
| Charlotte Clark et al. | Journal of Environmental Psychology | 2013
A six-year follow-up of children near Heathrow Airport examines whether aircraft noise exposure is associated with later reading performance, annoyance, and psychological health.
| Stephen Stansfeld et al. | The Lancet | June 4, 2005
The multinational RANCH study of nearly 3,000 children finds exposure-response associations between aircraft noise and impaired reading comprehension and recognition memory.
| T. Matsui, S. Stansfeld, M. Haines and J. Head | Noise & Health | 2004
The West London Schools Study reports a dose-response relationship between residential aircraft-noise exposure and children's memory performance.
| Staffan Hygge, Gary W. Evans and Monika Bullinger | Psychological Science | September 2002
A natural experiment involving the opening and closing of Munich airports finds changes in children's reading, memory, and speech perception following changes in aircraft-noise exposure.
| Mary Haines et al. | Psychological Medicine | 2001
Research around Heathrow Airport finds chronic aircraft noise associated with increased annoyance and poorer reading comprehension among schoolchildren.
An early large study compares children's mental-task performance in communities exposed to aircraft noise with children living in quieter areas.
Mental Health, Pregnancy, and Community Health
| Daniel Inostroza Briones | Revista Médica de Chile | May 5, 2026
A recent risk analysis examines environmental noise as a potential contributor to adverse childbirth outcomes in Chile.
| Lei Zhu et al. | Applied Acoustics | January 5, 2025
A field study of residential areas near railways finds poorer sleep quality associated with railway noise and develops models for predicting related mental-health risks.
| Xinling Hu | Noise & Health | 2025
A systematic review and meta-analysis finds long-term environmental-noise exposure associated with increased depression and anxiety symptoms among community-dwelling adults.
| Joanne Newbury et al. | JAMA Network Open | May 2024
Longitudinal birth-cohort research links higher childhood and adolescent noise exposure with increased odds of anxiety later in adolescence and young adulthood.
| Rachmy Hamdiyati and Retno Wibawanti | Jurnal Kedokteran Unram | 2024
This review discusses health impacts of aircraft noise together with aviation regulations and aerodynamic technologies intended to reduce future noise emissions.
| Generation R Study researchers | Environmental Research | 2023
A Dutch pregnancy cohort examines total transportation and industrial noise in relation to embryonic growth, fetal development, birth weight, preterm birth, and other outcomes.
| Sam E. Wing et al. | Science of the Total Environment | July 10, 2022
Birth records near Los Angeles International Airport suggest aircraft noise and traffic-related air pollution may interact to raise preterm-birth risk.
A UK policy-oriented systematic review assesses newer evidence linking environmental noise with mental health, well-being, dementia, cancer, birth outcomes, and cognition.
| Manfred E. Beutel et al. | European Journal of Public Health | 2020
Five-year Gutenberg Health Study data show that noise annoyance predicts later symptoms of depression, anxiety, and sleep disturbance.
A WHO evidence review evaluates associations between environmental noise during pregnancy and preterm birth, low birth weight, congenital anomalies, and fetal growth.
| Manfred E. Beutel et al. | PLOS ONE | May 2016
Gutenberg Health Study data show strong associations between increasing noise annoyance and symptoms of depression and anxiety, with aircraft noise an important contributor.
| Roumen Dzhambov and Donka Dimitrova | Folia Medica | 2014
A meta-analysis investigates occupational and residential noise during pregnancy in relation to fetal development, gestational hypertension, congenital abnormalities, and other birth outcomes.
| Japanese public-health researchers | Japanese Journal of Public Health | 2009
Surveys near Okinawa's Kadena and Futenma airfields investigate behavioral and developmental effects of chronic aircraft-noise exposure among preschool children.
| Japanese environmental-health researchers | Japanese Journal of Public Health | 2003
Analysis of more than 160,000 births around Okinawan airfields reports exposure-response patterns involving aircraft noise, low birth weight, and preterm birth.
| Stephen Stansfeld and colleagues | Journal of Environmental Psychology | 1997
An influential review evaluates evidence concerning aircraft noise, sleep, cardiovascular health, psychological well-being, children's health, and pregnancy outcomes.
| Y. Ando and H. Hattori | Journal of the Acoustical Society of America | April 1970
One of the early studies of environmental aircraft noise investigates whether intense prenatal exposure influences newborn responses after birth.
Environmental Justice, Policy, and Noise Mapping
| U.S. Environmental Protection Agency | EPA | July 13, 2026
EPA summarizes the Noise Control Act of 1972, which established a national policy aimed at protecting Americans from noise that jeopardizes health and welfare.
| Bureau of Transportation Statistics | U.S. Department of Transportation | June 16, 2026
The National Transportation Noise Map combines modeled aviation, highway, and railway sound to help researchers and planners examine national and regional transportation-noise exposure.
| Volpe National Transportation Systems Center | U.S. Department of Transportation | January 1, 2026
Technical documentation describes the methods, datasets, and limitations behind the 2026 release of the U.S. National Transportation Noise Map.
| Urban transportation researchers | Transportation Research Procedia | 2026
A seven-city European analysis uses noise mapping and inequality measures to reveal substantial differences in the distribution of road-traffic noise within cities.
| European Commission | European Commission | 2026
The European Commission identifies noise as a major environmental-health concern linked to cardiovascular disease, cognitive impairment in children, annoyance, sleep disturbance, and tinnitus.
| European Commission | European Commission | 2026
EU policy regulates noise emissions from road vehicles, tyres, railway equipment, aircraft, drones, outdoor machinery, and other major sources.
| European Commission | European Commission | 2026
The Environmental Noise Directive requires recurring noise maps and action plans for major cities, roads, railways, and airports across the European Union.
| U.S. Environmental Protection Agency | EPA | 2026
EPA explains how unwanted sound can interfere with sleep, communication, and quality of life and summarizes the remaining federal role in studying and addressing noise pollution.
| U.S. Environmental Protection Agency | EPA | November 6, 2025
EPA reviews the history of the federal Office of Noise Abatement and Control and explains how responsibility for noise regulation shifted largely to state and local governments after the early 1980s.
| Abas Shkembi et al. | Journal of Exposure Science & Environmental Epidemiology | July 17, 2025
Nationwide U.S. research finds racial and ethnic minorities disproportionately exposed to the combined burden of transportation and workplace noise.
| Scandinavian public-health researchers | European Journal of Public Health | 2025
Research in Norway and Denmark finds lower socioeconomic status and apartment living associated with higher road-noise exposure and, in some settings, a greater noise-attributable disease burden.
| European Environment Agency | EEA | 2025
This briefing summarizes Europe's burden of disease from environmental noise, including sleep disturbance, chronic annoyance, heart disease, and premature mortality.
| Joan A. Casey et al. | Journal of Exposure Science & Environmental Epidemiology | 2024
A nationwide U.S. analysis connects present transportation-noise disparities with race, ethnicity, historic redlining, and broader patterns of structural inequality.
| Dutch environmental-health researchers | Environmental Research | 2024
A national analysis of more than 9,000 Dutch neighborhoods finds higher noise burdens in many lower-income and marginalized communities.
| Urban environmental researchers | Sustainable Cities and Society | 2023
Small-area analysis across four English cities finds complex relationships between socioeconomic disadvantage and road, rail, and aircraft noise exposure.
Researchers identify multiple pathways through which socioeconomic position influences traffic-noise exposure, housing protection, noise sensitivity, and annoyance.
| Peter Preisendörfer et al. | European Sociological Review | June 25, 2022
Household and geospatial data from Bern, Zurich, Hanover, and Mainz explore whether poorer and migrant households experience greater residential noise and have fewer opportunities to shield themselves from it.
A systematic review finds evidence that environmental-noise exposure is socially unequal in parts of Europe, particularly when material deprivation is considered.
| Daniela Fecht et al. | Environment International | 2018
London research compares socioeconomic and ethnic inequalities in residential and personal exposure to air pollution, road traffic noise, rail noise, and aircraft noise.
| Bureau of Transportation Statistics | U.S. Department of Transportation | March 21, 2017
USDOT introduced its National Transportation Noise Map to allow public comparison of modeled highway and aviation noise across the United States.
| Joan A. Casey et al. | Environmental Health Perspectives | 2017
The first nationwide U.S. assessment of racial, socioeconomic, and residential-segregation differences in environmental noise finds substantial spatial inequalities.
| Séverine Havard et al. | European Journal of Public Health | 2012
A small-area study in Marseille demonstrates that relationships between socioeconomic deprivation and traffic-noise exposure can be complex rather than following a simple rich-versus-poor gradient.
| German Federal Health Survey researchers | Bundesgesundheitsblatt | 2003
German national survey data show lower socioeconomic groups more frequently living on busy roads and reporting greater traffic-noise exposure.
Urban Planning and Noise Mitigation
| Researchers studying Charlotte, North Carolina | Sustainability | 2026
Spatial modeling identifies vegetation levels and neighborhood patterns associated with stronger buffering of urban noise and proposes priorities for green-infrastructure investment.
Field measurements examine how urban parks simultaneously reduce exposure to heat, air pollution, and noise compared with surrounding built environments.
| Researchers reviewing noise and climate policy | Planetary Health | 2025
This article argues that transportation reform, green infrastructure, and other climate policies can simultaneously reduce greenhouse emissions and harmful environmental noise.
| Mingfeng Zhang et al. | Journal of Environmental Management | 2025
Research in Lyon examines how the amount, configuration, clustering, and network structure of green space influence the spatial distribution of urban noise.
| Guillermo Rey-Gozalo | Advances in Pollution Monitoring and Management | 2025
This review considers urban green space as infrastructure capable of improving acoustic quality as well as reducing other forms of environmental pollution.
| Researchers developing quiet pavement | Transportation Research Part D | December 2024
Modeling and field tests show how specially designed pavement textures can substantially reduce tire-pavement noise at its source.
| Researchers studying urban traffic noise | Sustainable Cities and Society | January 2024
This study examines how urban-planning variables influence traffic-noise patterns at different spatial scales and how planning choices can improve acoustic environments.
| Researchers reviewing road acoustics | Journal of Road Engineering | March 2022
This white paper identifies unresolved technical challenges in designing durable, safe, and effective low-noise road surfaces.
| Senlin Ling et al. | Journal of Cleaner Production | March 10, 2021
A comprehensive review covers tire-pavement noise generation, measurement techniques, porous asphalt, rubberized asphalt, and other quiet-pavement technologies.
This literature review compares low-noise pavement technologies and methods for measuring their acoustic performance in laboratory and field conditions.
| Paul R. Donavan and Dana M. Lodico | Transportation Research Record | January 1, 2013
A Marin County, California case study assesses the combined effects of quieter open-graded pavement and absorptive highway barriers along US-101.
This review evaluates quiet-road-surface technologies and discusses the potential for reducing traffic noise directly where tire-road noise is generated.
Wildlife and Terrestrial Ecosystems
| Andrea Forero Orduña et al. | Primates | May 2026
Field research in a Mexican agroforestry landscape finds mantled howler monkeys change their movements in response to both nearby workers and the intensity of human-generated noise.
| Natalie L. Madden et al. | Proceedings of the Royal Society B | February 11, 2026
A meta-analysis using hundreds of effect sizes across 160 bird species finds broad behavioral and physiological effects of anthropogenic noise and strong negative effects on reproduction.
| Kaitlyn Taylor et al. | Ecology and Evolution | 2025
Playback experiments with free-ranging giraffes show that drones, vehicles, and human voices can increase vigilance, with responses influenced by previous exposure to human disturbance.
| Researchers studying dwarf mongooses | Biology Letters | 2025
Road-noise playback increases vigilance in dwarf mongooses, demonstrating how acoustic disturbance can alter the trade-off between watching for danger and other activities such as feeding.
| Researchers conducting a bat meta-analysis | Biological Conservation | 2025
A synthesis of bat studies finds that sensitivity to anthropogenic noise varies with habitat preference, foraging strategy, and echolocation characteristics.
| Tainara Venturini Sobroza et al. | American Journal of Primatology | May 2024
Endangered pied tamarins living in Manaus modify the occurrence and acoustic structure of long calls as anthropogenic noise increases.
| Researchers studying forest nest predation | Avian Research | 2023
Experiments test whether anthropogenic noise changes bird-nest predation rates, predator communities, and the timing of predation.
Lesser bulldog bats alter foraging behavior and echolocation signals in response to traffic-noise exposure.
| Eréndira Gómez-Espinosa et al. | American Journal of Primatology | June 2022
Mantled howler monkeys exposed to louder human-generated sound respond with increased vocalization and vigilance, with reactions varying according to prior experience.
| Dawn Cory-Toussaint and Peter J. Taylor | Frontiers in Ecology and Evolution | 2022
Research at a South African opencast mine examines how artificial lighting, noise, and vegetation loss affect different bat-foraging guilds.
| Researchers studying Japanese pipistrelle bats | Ecology and Evolution | 2022
Observations around an airport find aircraft activity and noise associated with reduced bat passes and feeding activity.
This review explains how construction, traffic, and other anthropogenic sounds disrupt insect and arachnid communication, mating, predator-prey interactions, and other behaviors.
| Researchers studying Hong Kong birds | Behavioral Ecology | July 13, 2021
This study shows how both human-generated and insect noise shape bird songs, demonstrating the complexity of communication in urban soundscapes.
| Victoria Higham et al. | Journal of Zoology | April 2021
Brown tree frogs living near urban roads rapidly increase call pitch following loud traffic events, demonstrating behavioral adjustment to acoustic interference.
| Researchers studying pallid bats | Proceedings of the Royal Society B | 2021
Experiments indicate that noise can distract hunting bats as well as acoustically mask prey, substantially reducing successful prey localization.
| Researchers conducting phantom-river experiments | Nature Communications | 2021
Experimental soundscapes demonstrate that background sound alone can alter bird and bat activity, effectively filtering animal communities by their acoustic niches.
| Jennifer N. Phillips et al. | Nature | November 2020
Continental-scale data show that anthropogenic noise and artificial light can alter breeding timing and reproductive success across many bird species.
| Domhnall Finch, Henry Schofield and Fiona Mathews | Environmental Pollution | August 2020
A controlled field experiment shows that traffic-noise playback reduces both activity and feeding behavior across multiple bat species.
| Hansjoerg P. Kunc and Rouven Schmidt | Biology Letters | November 2019
A broad meta-analysis finds that anthropogenic noise affects amphibians, arthropods, birds, fish, mammals, molluscs, and reptiles, supporting its treatment as a global pollutant.
| Maggie Raboin and Damian O. Elias | Journal of Experimental Biology | June 19, 2019
A review of terrestrial invertebrate bioacoustics argues that insects, spiders, and other small animals deserve far greater attention in research on anthropogenic noise pollution.
| Hélène Lowry, Alan Lill and Bob B. M. Wong | Animals | March 26, 2019
Researchers examine how urban noisy miners modify their calls in response to low-frequency anthropogenic noise.
| Tracy I. Mulholland et al. | Integrative and Comparative Biology | November 1, 2018
Experimental exposure to traffic noise reveals species-specific effects on the breeding success of cavity-nesting birds.
| Allison S. Injaian, Lauren Y. Poon and Gail L. Patricelli | Behavioral Ecology | July 10, 2018
Experimental traffic noise alters tree-swallow settlement patterns, egg laying, clutch size, and nestling condition.
| Allison S. Injaian et al. | Animal Behaviour | February 2018
Experimental traffic-noise exposure affects tree-swallow parental behavior, nestling growth, fledging time, and oxidative stress.
| Researchers studying Savannah sparrows | Royal Society Open Science | 2018
Noise from oil and gas infrastructure is shown to interfere with Savannah sparrows' responses to alarm calls near their nests.
| Alexander Grade and Kathryn E. Sieving | Biology Letters | 2016
Highway noise is shown to interfere with birds' ability to hear alarm calls from other species, potentially weakening predator-warning networks.
| Dominique A. Potvin and Scott A. MacDougall-Shackleton | Journal of Experimental Zoology | 2015
Captive zebra finches exposed to traffic noise experience greater embryo mortality and slower early nestling growth, providing experimental evidence of reproductive costs.
| Researchers studying Daubenton's bats | Global Change Biology | 2015
Experimental work finds that traffic noise reduces bat foraging efficiency even when the noise does not directly mask prey echoes.
| Jesse P. Bunkley and Jesse R. Barber | Ethology | 2015
Traffic and compressor-station noise significantly increase the time pallid bats require to locate prey sounds.
| Tennessen, Parks and Langkilde | Conservation Physiology | August 16, 2014
Traffic noise elevates stress hormones in female wood frogs and interferes with their movement toward breeding choruses, suggesting a mechanism by which noise can affect amphibian reproduction.
| Researchers studying house sparrows | PLOS ONE | 2012
Long-term observations investigate several mechanisms through which chronic anthropogenic noise can reduce reproductive fitness in passerine birds.
| Researchers studying Eastern Bluebirds | Integrative Zoology | 2012
Field research finds increasing environmental noise associated with reduced reproductive productivity in Eastern Bluebirds.
| Björn M. Siemers and Andrea Schaub | Proceedings of the Royal Society B | 2011
Traffic-noise experiments show sharply reduced hunting efficiency in bats that depend on faint prey sounds for locating food.
| Erwin Nemeth and Henrik Brumm | The American Naturalist | 2010
The authors examine whether higher-pitched songs produced by city birds are effective adaptations for communicating through traffic noise.
Experiments show that greater mouse-eared bats avoid noisy foraging areas, demonstrating that background sound can degrade otherwise suitable habitat.
Marine and Underwater Noise
| Ben Wandago | The Standard | July 30, 2026
This article examines growing concern about underwater shipping noise in the Western Indian Ocean as maritime traffic through East African ports increases.
| Ben Wandago | IFAW | June 16, 2026
This article explores how rising commercial shipping may alter the soundscape of the biodiverse Western Indian Ocean and affect sound-dependent wildlife.
| Vanessa Pirotta | Australian Geographic | May 12, 2026
Research from the Strait of Gibraltar indicates that endangered pilot whales increase vocal effort in an attempt to communicate over heavy ship noise.
| M. N. Havlik et al. | Marine Pollution Bulletin | January 2026
Field experiments on coral reefs find that boat noise changes the behavior of giant clams and spider conchs, adding evidence that marine invertebrates are vulnerable to acoustic pollution.
| Zebrafish researchers | Environmental Pollution Research | 2026
Experimental underwater-noise exposure produces anxiety-like behavior, reduced exploration, and neuroendocrine stress responses in zebrafish.
| Jenn Thornhill Verma | The Guardian | November 25, 2025
Reporting from the Arctic examines evidence that ship noise can suppress narwhal calling and interfere with communication and feeding.
| Researchers studying the Salish Sea | Marine Pollution Bulletin | 2025
Researchers identify ferries, cargo vessels, tankers, fishing boats, and recreational vessels as major contributors to underwater noise in killer-whale habitat.
| Marine ecological researchers | Marine Pollution Bulletin | 2025
Vessel noise alters behavior, neural-development pathways, immune activity, and endocrine regulation in orange-spotted groupers, with some effects intensified by artificial light at night.
| NOAA Fisheries | NOAA | September 11, 2024
NOAA reports research showing that increasing vessel noise reduces the ability of Southern Resident killer whales to locate and successfully capture salmon.
| International Fund for Animal Welfare | IFAW | July 30, 2024
IFAW explains the sources of ocean noise pollution and its effects on whales, dolphins, fish, and other marine animals.
| Coral-reef researchers | Animal Behaviour | 2024
Field and playback experiments show that boat noise changes how coral-reef fish use space and can weaken predator-prey interactions by reducing foraging opportunities.
| Crystal L. Radtke et al. | Marine Mammal Science | May 24, 2023
Passive-acoustic monitoring in Nunavut examines how narwhal vocal activity changes when bulk carriers pass through their Arctic habitat.
| Stephanie L. King et al. | Current Biology | January 2023
Bottlenose dolphins compensate for noise by calling louder and longer, yet their success at a cooperative task still falls substantially as anthropogenic noise increases.
| Marine-mammal researchers | Science Advances | 2023
This perspective discusses noise pollution among the major human pressures facing whales and evaluates shipping reductions, quieter technology, and rerouting as possible solutions.
| A.M. Brewer et al. | Journal of the Acoustical Society of America | 2023
Researchers characterize Cook Inlet beluga calls and find that nearby commercial ship noise can partly or completely mask important vocalizations.
| Researchers studying African Penguins | Science of the Total Environment | November 25, 2022
The study examines whether increases in vessel traffic and associated underwater noise contributed to the collapse of an endangered African Penguin colony.
| Researchers reviewing marine noise pollution | Chemosphere | March 2022
This review surveys sources, ecological impacts, monitoring methods, and mitigation strategies for anthropogenic noise in marine environments.
Measurements estimate how far and for how long Arctic marine mammals may be able to hear noise from ore-carrier traffic.
| Rob Williams et al. | Marine Pollution Bulletin | February 2019
This review evaluates practical measures for reducing ship noise in critical habitat used by endangered Southern Resident killer whales.
| Christine Erbe et al. | Frontiers in Marine Science | 2019
This extensive review summarizes behavioral, physiological, communication, and habitat effects of ship noise on marine mammals.
| Christine Erbe et al. | Frontiers in Marine Science | 2019
This review considers how shipping, seismic surveys, pile driving, and other noise sources may affect marine mammals in Antarctic waters.
| Kieran Cox et al. | Global Change Biology | July 2018
A meta-analysis drawing on more than 2,000 observations finds that anthropogenic aquatic noise has broadly negative effects on fish behavior and physiology.
| Researchers reviewing Arctic noise | Marine Pollution Bulletin | 2018
The paper examines growing ship traffic and industrial sound in the Arctic and the implications for whales, seals, walruses, and other sound-dependent marine mammals.
| Rebecca A. Dunlop et al. | Journal of Experimental Biology | 2017
Controlled exposure research investigates dose-response relationships between seismic air-gun noise, source proximity, and behavioral responses in humpback whales.
| Stephen D. Simpson et al. | Advances in Experimental Medicine and Biology | 2015
Field experiments find that playback of small-boat noise reduces settlement of coral-reef fish larvae, potentially interfering with a crucial habitat-selection stage.
Modeling research investigates the extent to which commercial shipping can acoustically mask the low-frequency calls of right whales.
| Cédric Gervaise et al. | Journal of the Acoustical Society of America | July 2012
Measurements in the Saguenay–St. Lawrence Marine Park show how ferries and whale-watching vessels can substantially reduce the acoustic communication range of beluga whales.
| Damian Carrington | The Guardian | February 8, 2012
This report explains research linking the dramatic reduction in shipping after September 11, 2001 with lower physiological stress in right whales.
| Rosalind Rolland et al. | Proceedings of the Royal Society B | 2012
A natural experiment following the September 11 shipping slowdown links reduced underwater noise with lower stress-hormone levels in North Atlantic right whales.
| Researchers studying fin whales | Biological Conservation | 2012
Fin whales alter song characteristics and move away from areas exposed to elevated shipping and seismic-airgun noise.
| National Oceanic and Atmospheric Administration | NOAA Ocean Noise Strategy | Current resource
NOAA's Ocean Noise Strategy provides a framework for incorporating acoustic habitat, cumulative noise exposure, research, mitigation, and conservation into marine-resource management.
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