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Written By: Agencies | Published : October 31, 2014 6:50 PM IST
(Image for representational purpose only)
A study analysing the distribution of source of persistent organic pollutants (POPs) in eight countries -- Laos, Cambodia, Vietnam, Thailand, Philippines, Indonesia, Malaysia, India and Japan-- found that India has highest PAHs (polycyclic aromatic hydrocarbons), a carcinogenic persistent organic pollutants (POPs) as compared to cities of other countries. (Read: Why does pollution cause cough?)
The study, published in the international scientific journal Marine Pollution Bulletin, also revealed that among top metropolitan cities in India, Kolkata is the most polluted, with its pollution levels recorded highest among the eight tropical Asian countries. (Read: Diwali 2014: Delhi records highest pollution level one day after Diwali). The research was undertaken by Indian scientist Dr Mahua Saha at Japan-based Tokyo University of Agriculture and Technology.
'In urban areas, the highest PAHs were found in India with an average of 11300 nano grams per gram and the lowest in Malaysia which was 206 nano grams per gram,' it said. According to the researcher, results were alarming for a country like India as its pollution levels were high compared to other tropical Asian countries. Read: Air Pollution: Urgent cause for concern)
POPs are organic compounds that are resistant to environmental degradation through chemical, biological, and photolytic processes. 'Public concern about contamination by POPs exists due to the multitude of evidence showing the negative effects of POPs on human health and the environment.
Several compounds have been identified as hormone disruptors which can alter normal function of endocrine and reproductive systems in humans and wildlife. Cardiovascular disease, cancer, obesity, and diabetes have also been linked to POPs,' she said.
Source: IANS
Image Source: Getty Images
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