Thursday November 22, 2018

Bengaluru kids more exposed to toxic air: Report

Observed air quality levels exceeded safety limits by more than five times, the particulate matter count was above 400 micrograms (IG) per cubic metre, says the report

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Observed air quality levels exceeded safety limits by more than five times, the particulate matter count was above 400 micrograms (IG) per cubic metre, says the report.
Observed air quality levels exceeded safety limits by more than five times, the particulate matter count was above 400 micrograms (IG) per cubic metre, says the report. Wikimedia Commons
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  • The school-goers are among the worst affected by the toxic air
  • With an existing fleet of seven million vehicles, nearly 900 new vehicles are added to the Bengaluru’s roads every day
  • Observed air quality levels exceeded safety limits by more than five times

If you are travelling in an open vehicle during peak traffic hours daily in Bengaluru, you are likely to be exposed to severe toxic air. And school-goers are among the worst affected, a report warned on Wednesday.

Between 8.30am and 10.30am, the particulate pollution levels between Banashankari to Marathahalli varied from 70-800 micrograms per cubic meter, an alarming high, says the report, “Bengaluru’s Rising Air Quality Crisis: The Need for Sustained Reportage and Action”, by independent environmental researcher Aishwarya Sudhir.

But why is Bengaluru gridlocked?

With an existing fleet of seven million vehicles, nearly 900 new vehicles are added to the Bengaluru’s roads every day.

Worsening the problem, says the report, is illegal dumping of waste mixed with mass untreated sewage.

Also Read: Neurologists say rising air pollution can cause stroke among adults

The city generates around 4,500 to 5,000 tonnes of waste per day, by conservative estimates. The state capital often referred as India’s Silicon Valley because of its information technology hub, has had its challenges with outdated waste collection, segregation and transportation system, which often results in toxic emissions.

Climate Trends works on solutions to air pollution, while Co Media Lab is a community media lab.
Climate Trends works on solutions to air pollution, while Co Media Lab is a community media lab. Wikimedia Commons

The city has 10 online monitoring stations, of which five were introduced in January with an additional feature to generate Air Quality Index.

The five new stations are in Hebbal, Jayanagar, Kavika, National Institute of Mental Health and Neuro-Sciences and Silk Board.

Taking up the cudgels to check the alarming pollution levels, the report says residents of Whitefield Rising in Mahadevapura in November last year tested the air quality in the morning in their locality.

Observed air quality levels exceeded safety limits by more than five times, the particulate matter count was above 400 micrograms (IG) per cubic metre, says the report.

Also Read: How exposure to air pollution in womb may shorten lifespan

Clean up

Sudhir, who is based in Bengaluru, told IANS that the residents initiated a daily activity to clean up roads by hiring a vacuum cleaner and demonstrated that this is indeed possible.

They have been spending money on and off to get the roads cleaned. They have approached the local municipality and the pollution control board to regularise it. So far that hasn’t happened.

Likewise, residents of Malleshwaram have started taking the initiative to tackle the problem of burning leaves, another major cause of air pollution, in their locality by composting in their gardens or empty plots.

The city generates around 4,500 to 5,000 tonnes of waste per day, by conservative estimates.
The city generates around 4,500 to 5,000 tonnes of waste per day, by conservative estimates. Wikimedia Commons

Quoting Jayadeva Institute of Cardiovascular Sciences and Research cardiologist Rahul Patil, the report says: “After eliminating stress and dietary habits, we found cab and auto drivers were the worst hit as they remain stranded for long hours in bad traffic and are exposed to high levels of pollution.”

Co Media Lab Director Pinky Chandran told IANS that unlike New Delhi and other cities, Bengaluru, fortunately, has many citizen-action groups that are championing the cause of clean air.

Also Read: Air Pollution And Its Effects On Our Heath

“The state needs to take its citizens into confidence and formulate an implementable action plan which is based on air quality data so that it can bring about change,” she said.

A seven-day air quality monitoring exercise took up by Co Media Lab and Climate Trends this month found that the particulate matter averages observed over four hours during peak time in the morning and evening were consistently above 200 micrograms per cubic metre, indicating very poor air quality levels.

Climate Trends works on solutions to air pollution, while Co Media Lab is a community media lab. Both are based in Bengaluru. (IANS)

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Longer Exposure to Honking Traffic Makes You Obese

For the study, the researchers involved 3,796 adults and examined body mass index (BMI), waist circumference, body fat, central obesity and overweight

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Traffic Kolkata, Wikimedia

Are you obese or overweight? Blame long term exposure to blaring horns and other noise from road traffic, said researchers.

The study showed that a 10 decibel (dB) increase in mean noise level was associated with a 17 per cent increase in obesity.

“Our analysis shows that people exposed to the highest levels of traffic noise are at greater risk of being obese” said Maria Foraster, lead researcher from the Barcelona Institute for Global Health in Spain.

It could be because noise generates stress and affects our sleep. It alters hormone levels and increases blood pressure.

Moreover, among other effects, sleep disturbance deregulates glucose metabolism and alters the appetite, the researchers explained in the paper published in the journal Environment International.

Long term exposure to honking traffic can make you obese. Flickr

“In the long term, these effects could give rise to chronic physiological alterations, which would explain the proven association between persistent exposure to traffic-related noise and cardiovascular disease or the more recently discovered associations with diabetes and obesity,” Foraster said.

“Our findings suggest that reducing traffic-related noise could also be a way of combating the obesity epidemic,” he noted.

Also Read- Twitter Confirms Third-Party Involvement in Crypto Hackings

For the study, the researchers involved 3,796 adults and examined body mass index (BMI), waist circumference, body fat, central obesity and overweight.

They also analysed exposure to noise generated by aircraft and railway traffic and found no significant associations except in the case of long-term exposure to railway noise, which was associated with a higher risk of overweight but not of obesity. (IANS)