Unmasking the Silent Threat: Noise Pollution
Urbanization and industrialization have led to the emergence of noise pollution as a significant environmental, health, and economic concern. The WHO ranks noise pollution as the second largest environmental stressor in Europe after air pollution [1], and one in five EU citizens suffers from noise-induced health problems [2]. This phenomenon is characterized by excessive, unwanted, or irritating sounds that negatively impact human health as well as wildlife and the environment as a whole [1]–[8]. A comprehensive understanding of noise pollution’s health, social, economic, and environmental implications is provided in this context, thereby facilitating a broader dialogue on noise pollution. Additionally, it encourages solutions toward a quieter and more sustainable future. Noise pollution has been a problem since civilization began, but it became more prevalent during the Industrial Revolution. Consequently, a number of policies and regulations have been implemented to address this issue. As a result, a number of important noise control laws and environmental agencies were established in the modern era.
The environmental health risk of noise is one of the most significant, as it emanates from road, aircraft, and industrial sources. The disease leads to the loss of approximately 1 million healthy years of life each year due to a variety of health conditions, including annoyance, sleep disturbance, and ischemic heart disease [4]. As a result of noise exposure, adverse health effects can be observed physiologically, psychologically, and sociologically. In addition to sleep disruptions that may lead to obesity and cardiovascular disease, hypertension, heart disease, stroke, and hearing loss, a number of physiological effects have also been observed [2], [4], [5], [9], and [10]. Psychologically, noise pollution can cause cognitive impairments, particularly in children. It can also cause stress and annoyance, exacerbation of mental health conditions, and social isolation as a result of avoiding noisy environments. Chronic exposure to environmental noise in the EU, for example, has been associated with 12,000 premature deaths and 48,000 new cases of ischemic heart disease. Furthermore, approximately 22 million people suffer from chronic high levels of annoyance, while approximately 6.5 million suffer from chronic high levels of sleep disturbance.
The impact of noise pollution also has social consequences, such as hindering communication and reducing productivity [5], which underscores the need to address this issue to ensure the health and well-being of individuals and communities.
The economic consequences of noise pollution include healthcare costs, productivity losses, and property devaluation. The excessive noise can decrease property values, discourage investment and residence in affected areas, as well as negatively impact local economies and businesses that rely on quiet environments [11], [12]. In addition, the health effects of noise pollution increase healthcare costs, encompassing medical treatments, medications, rehabilitation services, and indirect costs such as lost productivity as a result of noise pollution. Additionally, noise pollution can reduce tourism in noisy areas by impairing communication, concentration, and cognitive performance in schools and workplaces. A study conducted in 2021 by the National Agency for Ecological Transition estimated noise costs in France at 147.1 billion euros per year, with 86% of those costs due to health-related noise effects [12]. There are, however, economic benefits to noise reduction, including productivity, higher property values, better quality of life, and lower healthcare costs. It makes such investments more valuable to society.
The effects of noise pollution extend beyond human health and socioeconomic wellbeing, impacting the environment and wildlife significantly [4]. Human-made noise disrupts wildlife’s normal behaviors, such as mating, foraging, and migration, often resulting in stress that can reduce fertility and offspring survival, especially in areas where noise pollution is prevalent. Additionally, it can result in the displacement of natural habitats from environments with less resources. Population dynamics and ecological communities are adversely affected by noise pollution, which significantly interferes with animal communication vital for survival and reproduction. Moreover, it can impede ecosystem balance and regeneration, altering species composition, ecological interactions, and potentially causing population declines or local extinctions, which disrupt biodiversity. An estimated 19% of Natura 2000 protected areas are in regions with noise levels surpassing the Environmental Noise Directive reporting thresholds due to roads, railways, and aircraft [4]. Therefore, addressing environmental noise is vital to protecting biodiversity and maintaining a healthy ecosystem.
In conclusion, noise pollution is a multifaceted issue with extensive implications for human health, society, economy, and the environment. As urbanization and industrialization continue to advance, noise pollution continues to intensify, affecting a significant proportion of Europeans. This escalating problem poses significant health and economic challenges. Consequently, noise pollution harms wildlife and ecosystems, disrupts natural behaviors and ecological balances, and threatens biodiversity by disrupting natural behaviors and ecological balance. Although regulatory measures have been implemented over time, the persistent and escalating nature of the issue underscores the need for more effective noise control strategies. It is important to increase our understanding of noise pollution and its effects, as well as invest in sustainable solutions to alleviate its effects. In addition to ensuring quieter environments, this also contributes to a healthier and more sustainable future for individuals, communities, and ecosystems.
[1] “Environmental Noise Directive,” Assessment and management of environmental noise, 2016. https://environment.ec.europa.eu/topics/noise/environmental-noise-directive_en
[2] JRC, “Burden of disease from environmental noise: Quantification of healthy life years lost in Europe,” JRC Publications Repository, 2013. https://publications.jrc.ec.europa.eu/repository/handle/JRC64428
[3] “Noise in Europe 2014 — European Environment Agency.” https://www.eea.europa.eu/publications/noise-in-europe-2014
[4] European Environment Agency (EU body or agency), Environmental noise in Europe, 2020. LU: Publications Office of the European Union, 2020. [Online]. Available: https://data.europa.eu/doi/10.2800/686249
[5] O. Douglas and E. Murphy, “Assessing the Treatment of Potential Effect Modifiers Informing World Health Organisation Guidelines for Environmental Noise,” Int. J. Environ. Res. Public. Health, vol. 17, no. 1, Art. no. 1, Jan. 2020, doi: 10.3390/ijerph17010315.
[6] C. Mac Domhnaill, O. Douglas, S. Lyons, E. Murphy, and A. Nolan, “Road traffic noise, quality of life, and mental distress among older adults: evidence from Ireland,” Cities Health, vol. 6, no. 3, pp. 564–574, May 2022, doi: 10.1080/23748834.2022.2084806.
[7] J.-P. Faulkner, E. Murphy, H. J. Rice, J. Kennedy, and E. Bourke, “Assessing rail-based environmental noise exposure using CNOSSOS-EU,” Appl. Acoust., vol. 207, p. 109322, May 2023, doi: 10.1016/j.apacoust.2023.109322.
[8] X. Chen and W. Xu, “Exploring the Effects of Traffic Noise on Innovation through Health Mechanism: A Quasi-Experimental Study in China,” Sustainability, vol. 14, no. 19, Art. no. 19, Jan. 2022, doi: 10.3390/su141912943.
[9] K. Persson Waye, “Noise and Health — Effects of Low Frequency Noise and Vibrations: Environmental and Occupational Perspectives,” in Encyclopedia of Environmental Health, 2011, pp. 240–253. doi: 10.1016/B978–0–444–52272–6.00245–2.
[10] L. Bloemsma et al., “Green space, air pollution, traffic noise and cardiometabolic health in adolescents: The PIAMA birth cohort,” Environ. Int., vol. 131, p. 104991, Oct. 2019, doi: 10.1016/j.envint.2019.104991.
[11] “Un nouveau chiffrage pour le coût social du bruit en France.” https://www.bruitparif.fr/un-nouveau-chiffrage-pour-le-cout-social-du-bruit-en-france/
[12] “Coût social du bruit en France,” La librairie ADEME. https://librairie.ademe.fr/air-et-bruit/4815-cout-social-du-bruit-en-france.html
