Friday April 20, 2018

Parking Fee Hiked Four Times to curb worsening air quality in Delhi

The pollution level rose to dangerous levels, with 18 out of 21 active pollution monitoring stations recording "severe" air quality.

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AIR POLLUTION
Motorcycles and vehicles drive on a road while fog envelope the area (AP Photo/Muhammad Sajjad) (VOA)
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New Delhi, November 7, 2017 : Authorities on Tuesday hiked vehicle parking fee by four times in Delhi in a bid to curb worsening air quality in the capital as the high-pollution winter months kicked in.

The decision was taken at a meeting of the Supreme Court-appointed Environment Pollution Prevention and Control Authority (EPCA) here to discourage people from using private vehicles as air pollution worsened further and touched more alarming proportions on Tuesday.

ALSO READ Effect of Air Pollution: Escalates Mortality Risk, Besides Causing Deadly Diseases like Lung and Kidney Cancer

The National Capital Region saw its worst air quality and smog situation of the year, which was even worse than a day after Diwali, as a yellow blanket of smog hung heavily in the sky.

ALSO READ Supreme Court Bans Pet Coke and Furnace Oil to bring down Air Pollution in NCR

The pollution level rose to dangerous levels, with 18 out of 21 active pollution monitoring stations recording “severe” air quality. (IANS)

 

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Youth in polluted cities at increased risk of Alzheimer’s

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Climate Trends works on solutions to air pollution, while Co Media Lab is a community media lab.
Pollution can lead to Alzheimer's in youth. Wikimedia Commons

Children and young adults living in polluted megacities are at increased risk of developing Alzheimer’s, a debilitating brain disease characterised by memory loss, a new study has warned.

“Alzheimer’s disease hallmarks start in childhood in polluted environments, and we must implement effective preventative measures early,” said one of the researchers Lilian Calderon-Garciduenas from University of Montana in the US.

Air pollution can trigger Alzheimer’s. Flickr

“It is useless to take reactive actions decades later,” Calderon-Garciduenas said. The findings, published in the Journal of Environmental Research, indicate that Alzheimer’s starts in early childhood, and the disease progression relates to age, pollution exposure and status of Apolipoprotein E (APOE 4), a well-known genetic risk factor for Alzheimer’s. The researchers studied 203 autopsies of Mexico City residents in the US ranging in age from 11 months to 40 years.

Metropolitan Mexico City is home to 24 million people exposed daily to concentrations of fine particulate matter and ozone above US Environmental Protection Agency standards. The researchers tracked two abnormal proteins that indicate development of Alzheimer’s, and they detected the early stages of the disease in babies less than a year old.

Also Read: Your daily cup of coffee can worsen Alzheimer’s symptoms

The scientists found heightened levels of the two abnormal proteins — hyperphosphorylated tau and beta amyloid — in the brains of young urbanites with lifetime exposures to fine-particulate-matter pollution (PM2.5).

They also tracked APOE 4 as well as lifetime cumulative exposure to unhealthy levels of PM2.5 — particles which are at least 30 times smaller than the diameter of a human hair and frequently cause the haze over urban areas. The researchers found hallmarks of the disease among 99.5 percent of the autopsies they examined in Mexico City. In addition, the findings showed that APOE 4 carriers had a higher risk of rapid progression of Alzheimer’s.

Alzheimer’s can cause depression too. Pixabay

The researchers believe the detrimental effects are caused by tiny pollution particles that enter the brain through the nose, lungs and gastrointestinal tract, and these particles damage all barriers and travel everywhere in the body through the circulatory system.

The authors noted that ambient air pollution is a key modifiable risk for millions of people across the globe. “Neuroprotection measures ought to start very early, including the prenatal period and childhood,” Calderon-Garciduenas said. “Defining pediatric environmental, nutritional, metabolic and genetic risk-factor interactions are key to preventing Alzheimer’s disease,” she added. IANS

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