Noise air pollution: tackling a public well being hazard in quickly urbanizing metropolis of Mumbai – Firstpost


Highlighting the results of noise air pollution as a hazard to public well being, a grassroots anti-noise motion goals to silence a severe menace to city well being, however not everybody agrees .

By Chris Berdik

On a heavy On the night of September, through the festivities of the Hindu god Ganesh, Sumaira Abdulali jumped by means of the crowded streets of Bombay with a conveyable sound stage meter. After 10 days of prayers and choices, it was Ganpati Evening, when hundreds of Ganesh idols are paraded out to sea for a ceremonial dip.

Noise Pollution Fighting Public Health Hazard in Rapidly Urbanizing Mumbai City

An anti-horn signal hangs on the wall of the Earth Saviors Basis, simply outdoors New Delhi. The inspiration is lively in taking good care of the homeless and several other environmental causes, together with noise air pollution. Picture credit score: Chris Berdik.

Abdulali, an environmental activist, hurried by means of a avenue teeming with rickshaws honking their horns and cranking their engines. Within the subsequent block, a 10ft elephant-headed Ganesh adopted a squad of dhol tasha drummers, clarinetists and the tiny melody of a bulbul tarang, the Indian banjo, amplified by loud sounds. mounted audio system. As they approached, the drummers drowned out all different sounds – the group, the horns and even the high-pitched whistles of visitors police. Abdulali's sound stage meter recorded 115 decibels, as loud as a chainsaw and hazard of listening to in lower than a minute.

This sound examine, considered one of dozens that night time, was a part of Abdulali's practically two-decade struggle on noise air pollution in Mumbai, a metropolis that many researchers say could also be one of many examples loudest of a worldwide public well being drawback.

In a quickly rising and urbanizing world, extra persons are uncovered to extra noise, and several other studies from the World Well being Group, together with the latest in 2018, point out that rising decibel ranges are making a distinction. a part of the principle environmental well being dangers.

That is very true for the explosive, high-density mega-cities of the creating world, the place the cacophony of city progress is especially relentless. Along with listening to, studies counsel that noise harms the physique extra typically, from sleep patterns to mind growth to cardiovascular well being.

"We've recognized about a few of these well being results for many years," mentioned Richard Neitzel, environmental well being scientist and noise researcher on the College of Michigan's Faculty of Public Well being, who notes that some activists have certified the noise of the following second-hand smoke.

"I feel the principle distinction is that tobacco smoke causes most cancers and emphysema which kills you outright," he mentioned. "The results of noise are a little bit extra oblique, however they are often simply as lethal."

Abdulali, who earned the nickname Minister of Noise, and a grassroots community of different involved residents have constantly argued that the sound assault shouldn’t be solely a nuisance, but in addition a severe hazard for well being. They took offenders to courtroom to impose new laws. And when these laws had been largely ignored, they saved up the strain to implement them, taking their noise meters to the streets and posting their findings on social media.

However combating noise has usually meant combating highly effective pursuits, for which noise represents political energy, financial dynamism and progress.

Competition organizers and their political allies, for instance, pushed again, calling anti-noise campaigns excessive, arbitrary and even biased in opposition to Hindu celebrations.

On the Ganesh pageant, Abdulali confirmed his sound studying to a close-by policeman. Somewhat than calm the daring efficiency, he promised to name in a particular crew armed with their very own sound stage meters. There was no time to confirm this. The streets had been full of numerous different noisy processions that demanded Abdulali's consideration. Nonetheless, she considered the promise as progress.

In 2003, when she began patrolling Mumbai, no cop would have joined her on the entrance line. In truth, she recalled, "everybody has advised me that nobody can management noise in Mumbai, or wherever else in India, as a result of we’re a loud folks." We love the noise.

However Abdulali knew higher. Very early on, she had provided to have her mobile phone quantity revealed because the Noise Complaints Hotline in The Instances of India. “Folks had been actually, actually upset. They had been crying on the telephone, ”she mentioned. "They had been like, 'We all know you’ll be able to't assist us, however not less than you take heed to us and don't inform us that we’re the fools for feeling so touched. ""


On the pageant, Abdulali moved on to a phalanx of drummers carrying orange shirts and white Gandhi caps. Behind them, a person hammered an empty metallic oxygen cylinder hanging from a rolling wood body. The chief of the procession noticed Abdulali and motioned for the hammer bearer to chill out, however not earlier than timing him to 120 decibels. (Decibels measure sound on a logarithmic scale, which implies that each 10 decibels is a 10-fold improve; a 60-decibel dialog has 10 occasions the loudness of a 50-decibel snore in a fridge.)

The Nationwide Institute for Occupational Safety and Well being (NIOSH) recommends not exceeding eight hours per day at a weighted common of 85 decibels, which is about as loud as heavy visitors. The beneficial publicity restrict is halved for each three decibel improve in quantity, and is cumulative. So even when somebody is working in a really quiet place, like a library, they are going to attain that hazard threshold in the event that they take heed to music at 88 decibels throughout their half hour commute after which spend an hour and a half with pals at a neighborhood bar. which reaches 91 decibels.

When sound reaches 120 decibels – just like the sound of the oxygen tank – it might trigger nearly instantaneous listening to harm by destroying tiny hair cells within the inside ear, in line with the Facilities for Illness Management and Prevention. These hair cells rework the vibrations of sound into electrical alerts that journey to the mind, which interprets and kinds them into the sounds we hear. Over time, loud noise can kill sufficient of those important cells to degrade listening to and trigger ringing within the ears referred to as tinnitus.

Noise can be linked to persistent stress and sleep disturbances, each of that are dangerous to coronary heart well being. A examine revealed within the BMJ in 2013, for instance, examined the well being data of some six million Individuals aged 65 and over residing close to airports and located that every 10-decibel improve in air Publicity to plane noise was correlated with a three.5% improve in hospitalizations for coronary heart issues. . Likewise, a 2014 evaluation revealed within the journal Noise and Well being checked out 14 earlier noise research performed primarily within the UK and mainland Europe, in addition to Canada and Japan. This evaluation discovered that within the completely different examine areas, the common threat of coronary heart illness elevated by eight% for each 10 decibel improve in freeway noise. Between listening to loss and stress-induced well being issues, the WHO has estimated that noise air pollution deprives the 340 million folks of Western Europe of not less than 1 million disability-free years every year.

"Publicity to noise has been nicely documented to contribute to listening to loss, tinnitus, coronary heart illness, stroke, anxiousness, stress, melancholy, studying difficulties, job efficiency, sleep disturbances, and diminished cognitive skills, "mentioned the American Academy of Nursing in a 2016 Place Assertion." Noise is multiple boredom; it’s a hazard to public well being. "

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Whereas most noise and well being analysis comes from Europe and North America, research from India and different creating international locations present excessive charges of listening to loss in excessive noise occupations. For instance, in 2015, the Indian Journal of Group Well being revealed a examine of 150 visitors police within the northern metropolis of Jammu. Officers who had been on the job for not less than three years had about six occasions extra listening to loss than officers who had spent much less time on the streets. One other examine performed in Vadodara, the third largest metropolis within the state of Gujarat in northwest India, discovered listening to loss in 80 of 88 visitors police examined. And a small 2018 examine revealed by researchers in Chennai, the capital of the Indian state of Tamil Nadu, checked the listening to of 30 rickshaw drivers and recognized 23 of the folks with listening to loss. .

Indian docs are more and more attempting to unfold the phrase that noise is dangerous for well being, mentioned Sujata Rao, ear, nostril and throat physician and former president of the Mumbai Medical Consultants Affiliation. , an advocacy and medical training group. This publish is usually a exhausting promote throughout pageant season. “In India, celebrations are equated with noise, and this affiliation can’t be banished or eradicated so simply,” mentioned Rao. "However slowly and steadily I feel if the well being results of noise turn out to be extra broadly recognized, a change of mind-set can most likely happen."

To lift consciousness, docs within the Indian state of Kerala established the Nationwide Secure Sound Initiative (NISS) in 2013. "We had been all noticing a rise in listening to loss," mentioned NISS co-founder C John Panicker, an ear, a nostril, and throat physician and vice chairman of the Indian Medical Affiliation. Since then, the initiative has unfold throughout the nation, internet hosting annual conferences, publishing brochures, and providing authorized recommendation to folks combating noise air pollution.

Abdulali labored with NISS to unfold Horn-Free Days throughout India. “I feel everybody is worried with their very own well being. It's simply that they didn't fairly make the reference to the noise, ”she mentioned. “And so they didn't make that connection as a result of they had been misinformed. The politicians making this noise advised them it was only for a short time, only a few days of the yr. And you’ve got enjoyable. We don't inform them it's stacking up. "


A few kilometers from the principle seaside the place the idols of Ganesh would finish within the sea, the loud parades handed a mosque with a white signal the scale of a license plate saying: Zone of silence. The continued battle for these zones of silence – areas inside 328 ft of faculties, hospitals, courts and locations of worship the place sound should be restricted – traces the historical past of activism in opposition to noise air pollution in Mumbai.

The town’s first anti-noise marketing campaign started within the mid-1980s, with a gaggle of Mumbai residents led by Yeshwant Oke, a pediatrician, and Saad Ali, a neighborhood businessman and Abdulali’s late uncle. Utilizing native sound readings and a WHO report, activists have filed a collection of public curiosity litigation in opposition to factories in residential areas, locations of worship exploding prayers from rooftop audio system and nightclubs all night time throughout pageant season.

Within the early 2000s, Abdulali, who was then a younger mom searching for a part-time job, volunteered to assist her. In 2000, a string of authorized victories culminated with a courtroom ordering the Division of the Surroundings to create nationwide noise air pollution legal guidelines. The foundations set the day and night time decibel limits per zone, together with zones of silence. The usage of loudspeakers is prohibited after 10 p.m. (In October 2002, the Indian authorities modified the principles to permit native governments to increase the deadline to midnight 15 days a yr.)

Noise Pollution Fighting Public Health Hazard in Rapidly Urbanizing Mumbai City

An indication marks the 'zone of silence' outdoors a mosque in Mumbai. Picture credit score: Chris Berdik.

However the brand new guidelines didn’t cope with enforcement. How would folks know the place the zones of silence began and ended? Which company would dedicate the assets to noise measurement? And who would go to courtroom to sanction violations that would technically lead to heavy fines or as much as three months in jail?

With no clear solutions, the legal guidelines had been principally a lifeless letter till Abdulali and his allies began implementing the principles metropolis by metropolis. Armed with stable information, activists returned to courtroom to file petitions of non-compliance and citations of contempt in opposition to authorities who didn’t cease the racketeering. For instance, in 2009 Abdulali obtained a courtroom order requiring the Bombay metropolis authorities to mark areas of silence with indicators. She is now pushing for zone boundaries to be inscribed on an official metropolis plan to assist form metropolis planning, growth and licensing.

Along with battling noise within the courts, Abdulali has spent years attempting to persuade her fellow Mumbaikars that she shouldn’t be anti-religious, anti-development, or anti-fun, however slightly involved about their well-being.

Working with charities, universities and NGOs, she supplied free listening to screenings to visitors police and others, created campaigns in opposition to horns in social media and developed training initiatives reminiscent of a public service announcement created by college students in opposition to firecrackers throughout festivals.

Some officers welcomed the activists' efforts. Mumbai Police spokesman Pranaya Ashok mentioned every police station within the metropolis has 5 to 10 noise meters, which they used to verify round 500 circumstances – out of seven,198 incidents – the place noise ranges broke the legislation. More often than not the noise stops earlier than the police arrive on the scene. Ashok additionally famous that calming down a metropolis like Mumbai is intimidating. “Being a metropolis in fixed movement and including visitors volumes, steady building exercise and industrial models,” he mentioned, “ambient noise ranges are already very excessive”, very often past authorized limits. Nonetheless, Ashok insisted, "If a criticism involves us, we positively take motion."


Tright here is not any deny that Mumbai is noisy. A 2018 examine by the Indian authorities's Nationwide Environmental Engineering Analysis Institute (NEERI) analyzed noise readings from Mumbai and about two dozen different cities within the state of Maharashtra. Mumbai's common noise ranges had been nicely above authorized limits (eg 80 decibels, as loud as a vacuum cleaner, at night time in residential areas). The noisiest level on the town, in line with an adult-level sound stage meter by NEERI, was on the intersection outdoors the practice's central terminus. The intersection averaged 95 decibels – or energy device territory. And it's not unusual for folks to be struck by decibels within the '70s and' 80s all through a typical day within the metropolis.

As in lots of world megacities, Mumbai's noise is partially a aspect impact of explosive progress. An estimated 23 million folks dwell within the metropolitan space, up 5 million for the reason that final census in 2011. The town's infrastructure can not preserve tempo. The roads are overwhelmed with automobiles and pedestrians avoiding the sidewalk scrums. Based on the lead writer of the 2018 NEERI Noise Examine, environmental engineer Ritesh Vijay, the ensuing stream of horns is the worst offender of noise.

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"Whether or not it's a freeway, metropolis avenue, or expressway, folks honk like something," mentioned Vijay by mobile phone from Nagpur, one other metropolis in Maharashtra featured within the report. Within the background, a refrain of horns sounds. “My God,” he cried. "I ought to say, I'm sorry for all of the honking."

Indian drivers think about honking to be 'a manner of expressing oneself,' Abdulali mentioned, whether or not it’s happiness, boredom or anger. "We forgot that the horn was initially a security machine," she added. "And solely a security machine."

In addition to honking his horn, Abdulali blames the ever present building that usually goes on all night time lengthy, in addition to a very prevalent supply of noise in Mumbai – avenue festivals. The pageant season begins after the summer season monsoons and continues into the spring with a collection of Hindu, Muslim, Sikh, Christian and secular festivals, a lot of that are noticed over a number of days and celebrated with parades, out of doors music and firecrackers.

Lowering the quantity of those festivals is difficult, as many are politically associated. Ganesh celebrations, for instance, date again to the late 19th century, when a frontrunner of the liberty battle in India named Lokmanya Tilak turned a reasonably non-public celebration into a big social gathering and carnival. The general public celebrations not solely promoted Hindu solidarity, however additionally they lined conferences and fundraisers to assist undermine British colonial rule.

Political events and their neighborhood representatives have since taken cost of the Ganesh festivities. The streets are lined with non permanent pavilions – referred to as pandals – which comprise idols of painted plaster, and proper subsequent to those are assortment bins for choices from locals praying for the god's blessings. In truth, months earlier than the pageant, fundraisers go door-to-door to lift cash that helps an expansive pageant economic system – the native entrepreneurs who construct and enhance the pandals, the artists who create the idols, the musicians who parade within the processions and all of the retailers. essential to help 10 days of celebration.

Politicians and pageant organizers typically conflict with noise air pollution activists. Abdulali mentioned she was yelled at and insulted when her sound measurement interrupted a deafening musical efficiency or political rally. The hundreds of politically linked teams that maintain Ganesh celebrations, generally known as mandales, have made repeated calls to state authorities to both finish the zones of silence or legally ignore them on particular evenings. reminiscent of Ganpati.

"That is India, and our festivals are celebrated with a bang," one mandal chief mentioned in a 2017 interview for Indian information website "How can we get out of our processions if there are areas of silence all over the place?"

Reached by telephone, Naresh Dahibawkar, president of a company representing some 10,000 mandals in Mumbai, mentioned his group had in reality compelled quieter processions amongst its members lately. Nonetheless, he desires the noise restrictions lifted for a couple of nights of the Ganesh pageant, together with Ganpati, to present Mumbai's younger dancers, actors and musicians sufficient time on stage to point out their abilities to the massive crowds.

“It's not as a result of I wish to break the principles on noise air pollution,” he mentioned. “However let's manage these leisure packages. Our solely intention is to offer a stage for the youngsters, to assist them turn out to be artists.

Dahibawkar additionally echoed the criticisms that many have leveled Abdulali that she unfairly targets Ganpati and different Hindu festivals for her anti-noise campaigns. “I advised him you don't get up till the Ganpati pageant comes,” he says. “The place are they through the different festivals?”

However along with measuring non-religious noise violations reminiscent of automotive horns and the late-night building of latest Mumbai metro strains, Abdulali mentioned she repeatedly screens decibels throughout Muslim festivals around the globe. # 39; Eid. And in December 2018, an offended mob surrounded and threatened her on the Mahim Truthful in honor of the Sufi Muslim scholar and saint Makhdum Ali Mahimi. The police needed to escort him to security.


For Abdulali, progress got here in spurts. On April 7, 2008, it had successful: Mumbai visitors police joined in marking the town's – and the nation's – first horn-free day and elevated fines. In January 2018, the trouble prolonged to a Horn Vrat – actually a quick horn – supported by the Maharashtra Division of Transportation and the Rickshaw Drivers Union. For months, volunteers drove an automated rickshaw adorned with 150 bicycle horns and handed out leaflets in regards to the risks of noise, which inspired drivers to brake their horns (Ashok, police spokesman , mentioned there was no agency information to point out that the horns had improved general). And in terms of the zones of silence, greater than 1,500 had been acknowledged in Mumbai in 2017.

However in August of the identical yr, the Indian authorities modified the noise guidelines in order that quiet zones had been designated by state governments slightly than native authorities. This modification invalidated all zones of silence in Mumbai (110 of them have since been reinstated). The setback had a silver lining, in line with Abdulali, who attributes the ensuing outcry and public strain to the federal government's 2018 resolution to ban DJs from taking part in Bollywood music in pageant processions. And the ban led to quieter 2018 and 2019 pageant seasons, in line with its noise information, which was utilized by the Bombay Excessive Court docket and, she mentioned, verified by police and air pollution management committees.

The DJs took to courtroom to combat the ban, represented by the Skilled Audio and Lighting Affiliation (PALA India). A closing resolution continues to be pending. In a phone interview, lawyer representing DJs, Satish D Talekar, referred to as the ban "very arbitrary," noting that conventional devices are extremely loud however left alone. Sound and lighting professionals depend on festivals for a residing, he mentioned, and now "their enterprise is at a standstill."

“Aside from that, there are numerous points at stake,” he continued, from private freedom to “the identical fundamental proper to apply faith”.

Noise Pollution Fighting Public Health Hazard in Rapidly Urbanizing Mumbai City

Bombay noise activist Sumaira Abdulali checks the sound ranges of a procession on the final night time of the 10-day Ganesh pageant, when hundreds of idols are led by drums and dancers. different music to the ocean for a ceremonial immersion. Picture credit score: Chris Berdik.

Returning to the Ganesh pageant shortly earlier than 10 p.m., a truck performed music from rooftop audio system at 115 decibels close to Mumbai's Shivaji Park. Abdulali alerted a policeman who advised the motive force to show down the music. Nonetheless clinging to his sound stage meter, Abdulali continued on his manner. A person on a blue Yamaha motorbike slows down beside her, his engine rumbling as he saved tempo. He watched a couple of occasions earlier than leaning in, saying one thing and strolling away.

"He simply mentioned, thanks on your service," translated Abdulali.

Standing in an outdated colonial part of city, watching round half a dozen Ganesh idols make their manner out to sea, Abdulali mentioned this Ganpati was extra subdued than normal. Whereas the decibel ranges of the assorted processions had been nonetheless harmful, the intense noise stage was much less pervasive than final yr. “Usually this entire avenue could be full of the sounds of DJs,” she mentioned, not solely of idols, however of audio system mounted on balconies and verandas, making a flood of sounds that echoed by means of the rooms. enormous stone buildings.

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The noise enhancements have additionally unfold past Mumbai. Just a few hours away in Pune, a biology professor on the School of Engineering named Mahesh Shindikar and a platoon of scholars have moved by means of city to take 24 hours of sound readings throughout Ganpati for the previous 18 years. For the primary few years, the 24-hour common hovered round 90 decibels earlier than climbing to 114 decibels in 2013. It has since dropped, and in 2019 it has dropped to 86 decibels. In Delhi, an activist by the identify of Ravi Kalra has been main no-horn days and noise consciousness campaigns for over a decade. And in different cities, folks have adopted Abdulali's lead and gone to courtroom to get noise legislation enforcement domestically.

For instance, Mahesh Bedekar, an obstetrician and gynecologist who runs a mom and new child hospital within the Mumbai suburb of Thane, discovered that noise from two close by wedding ceremony halls disturbed the sleep of his sufferers. When he complained, the native police took no motion. He due to this fact filed a public curiosity criticism to power recognition of the zone of silence for hospitals in Thane.

Additional east, within the city of Ulhasnagar, the noise air pollution management official is Sarita Khanchandani, a former science instructor. Throughout her 18 years within the classroom, a part of her curriculum was environmental conservation, however the disconnect between these classes and the worsening air pollution in India bothered her.

"I began to marvel what am I doing? I'm simply passing on theoretical information. There may be nothing sensible about it, ”mentioned Khanchandani. In 2011, she based an environmental activism group referred to as the Hirali Basis, specializing in noise as a result of she assumed it will be a better answer than air or air air pollution. Water. “I assumed it will be simpler,” she recollects, laughing.

Ulhasnagar is the loudest city within the state of Maharashtra in line with the NEERI examine, with weekday sound ranges of 91.four decibels. Throughout pageant season, Khanchandani rushes to the scene with noise complaints. She additionally tweets any violations she finds and copies the native police.

Having native noise guard canines is crucial, Abdulali mentioned. It's comparatively straightforward to arrange a quiet zone signal or hand out brochures with no horn, however an actual software requires dedication. «La rhétorique est excellente. Mais ce n’est que là où les gens sont réellement sur le terrain, s’expriment, agissent et forcent à faire en sorte que cela fonctionne », a-t-elle déclaré. "Comme Sarita à Ulhasnagar, si elle n’était pas là-bas, alors toutes les ordonnances du tribunal dans le monde n’auraient rien fait."


As la nuit de Ganpati déplacé, Abdulali a suivi les processions jusqu'à la plage, notant chaque lecture de son compteur dans un registre et en diffusant quelques-unes sur Twitter. Ganpati est l'une des nuits de chaque année où les autorités de Mumbai autorisent les haut-parleurs jusqu'à minuit. Alors que l'horloge passait à midi, les idoles ont continué leur marche, mais la musique s'est estompée. Pas partout. Quinze minutes après la date limite, Abdulali Sound a vérifié une procession où les batteurs étaient toujours en marche. Elle a montré la lecture à un groupe de policiers, qui s'est approché du cortège. Les batteurs délivrèrent un éclat de percussion avant de se taire.

Il y avait un dernier arrêt – les tribunes près du level de la plage où les idoles de Ganesh flotteraient dans la mer. Ici, les politiciens bafouent régulièrement les lois sur le bruit, criant des mots de bienvenue et de célébration par haut-parleurs bien après minuit. Elle a mesuré un groupe poussant 100 décibels et a dit à un flic à proximité.

"Que puis-je faire à ce sujet?" il haussa les épaules. «Allez le dire à l'officier supérieur. La police de Mumbai avait un quartier général provisoire sur la plage, son intérieur caché derrière un mur éclairé par des projecteurs et recouvert d'un panneau d'affichage de images de police sous-titré: «Votre sécurité. Notre responsabilité." Plusieurs flics se pressaient autour d'une porte drapée de guirlandes de soucis.

Abdulali a parlé brièvement avec l'un des flics, puis s'est dirigé vers l'intérieur. Environ cinq minutes plus tard, elle a émergé avec plusieurs policiers, dont le chef, avec ses épaulettes trois étoiles. Son pistolet étui de 9 mm était une autre marque de haut rang dans un corps de police où la plupart ne sont pas autorisés à porter des armes à feu. Les autres ont brandi de longs bâtons de nuit, et alors que le groupe revenait vers le chemin de la procession, l'un des officiers s'est interrompu pour écraser les ballons d'un vendeur non autorisé, faisant sauter le terrain.

Le quartier général de la police avait appelé les officiers par radio devant les tribunes pour débrancher les politiciens. Bientôt, les haut-parleurs se turent. Satisfait que ses ordres avaient été obéis, le chef prit congé. Mais un autre officier de haut rang est bientôt apparu. Il portait des épaulettes à deux étoiles et, au lieu d'un pistolet, il était armé d'un sonomètre.

Il s'est approché d'Abdulali et a parlé avec un air blessé, tenant à plusieurs reprises son sonomètre pour sa reconnaissance. L'officier voulait lui montrer à quel level son équipe avait été diligente dans leurs tâches liées au bruit. (Au cours des années précédentes, elle a déposé ou menacé des citations d'outrage contre la police.)

Abdulali écouta poliment, mais le visage de pierre, les yeux fatigués et la sueur perlant sur son entrance. Quelques flics supplémentaires ont rejoint la présentation, y compris quelques autres avec des sonomètres, dont l'un ils ont connecté à une imprimante transportable qui crachait les lectures de bruit prises cette nuit-là.

Après la séparation du groupe, Abdulali a déclaré qu'elle ne savait toujours pas remark mesurer les progrès. «La vérité est que je ne sais pas», dit-elle. «Mais le fait que ces policiers portent du tout des compteurs de bruit – peu importe ce qu’ils en font réellement – et le fait que les gens me voient moi et mon compteur de bruit et sachent de quoi il s’agit, je veux dire, je n’ai jamais pensé que ce jour viendrait. . » Puis, elle a ri. «Maintenant, si seulement nous pouvions faire de même pour klaxonner.

Chris Berdik est journaliste indépendant en sciences et en éducation à Milton, Massachusetts. Il écrit un livre sur la air pollution sonore pour Norton.

Puja Changoiwala a contribué à la rédaction de cet article.

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