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Curbing air pollution in India needs efforts across South Asia: World Bank report
(The Hindu) India has six large airsheds, some of them shared with Pakistan, between which air pollutants move. While existing measures by the government can reduce particulate matter, significant reduction is possible only if the territories spanning the airsheds implement coordinated policies, says a report by the World Bank made public on Thursday.
Using a modelling approach over South Asia as a whole, the report lays out multiple scenarios and the costs involved in reducing the average South Asian’s exposure to particulate matter. Currently over 60% of South Asians are exposed to an average 35 µg/m3 of PM2.5 annually. In some parts of the Indo-Gangetic Plain (IGP) it spiked to as much as 100 µg/m3 – nearly 20 times the upper limit of 5 µg/m3 recommended by the World Health Organisation, says the World Bank report.
The six major airsheds in South Asia where air quality in one affected the other were: (1) West/Central IGP that included Punjab (Pakistan), Punjab (India), Haryana, part of Rajasthan, Chandigarh, Delhi, Uttar Pradesh. 2) Central/Eastern IGP: Bihar, West Bengal, Jharkhand, Bangladesh; (3) Middle India: Odisha/Chhattisgarh; (4) Middle India: Eastern Gujarat/Western Maharashtra; (5) Northern/Central Indus River Plain: Pakistan, part of Afghanistan; and (6) Southern Indus Plain and further west: South Pakistan, Western Afghanistan extending into Eastern Iran.
When the wind direction was predominantly northwest to the southeast, 30% of the air pollution in Indian Punjab came from the Punjab Province in Pakistan and, on average, 30% of the air pollution in the largest cities of Bangladesh (Dhaka, Chittagong, and Khulna) originated in India. In some years, substantial pollution flowed in the other direction across borders.
What this means is that even if Delhi National Capital Territory were to fully implement all air pollution control measures by 2030 while other parts of South Asia continued to follow current policies, it wouldn’t keep pollution exposure below 35 µg/m3. However if other parts of South Asia also adopted all feasible measures it would bring pollution below that number. “This is also the case with many other cities in South Asia, especially those in the IGP. Accounting for the interdependence in air quality within airsheds in South Asia is necessary when weighing alternative pathways for pollution control,” the report noted.
The report analysed multiple scenarios to reduce air pollution with varying degrees of policy implementation and cooperation among countries. The most cost-effective one, which calls for full coordination between airsheds, would cut the average exposure of PM 2.5 in South Asia to 30 µg/m³ at a cost of $278 million (INR2,400 crore) per µg/m? of reduced exposure, and save more than 7,50,000 lives annually.
“Given the findings, we believe that scientists of India, Pakistan, Nepal, Bangladesh and other South Asian countries must establish a dialogue on air pollution to tackle it with an ‘airshed approach’. This is how the problem has been tackled in other regions, like ASEAN, Nordic regions, and across China. States need to stop blaming and go for a collaborative approach if they wish to reduce air pollution for their citizens,” Jostein Nygard, Senior Environmental Specialist, World Bank and co-author of the report, told The Hindu.
The Centre in 2019 launched a programme called the National Clean Air Campaign (NCAP) that aims to reduce air pollution in 131 of India’s most polluted cities. The target was initially to cut pollution by 20%-30% by 2024 over 2017 levels but has now been revised to cutting it by 40% by 2025-26.
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Indonesian Navy Sailing Ship KRI BIMA SUCI – 945 concludes official goodwill visit to Sri Lanka
The Indonesian Navy Sailing Ship KRI BIMA SUCI – 945 departed the island on 18 Apr 2026, marking the successful completion of her official goodwill visit.
The ship was accorded a formal farewell by the Sri Lanka Navy in accordance with naval traditions at the Port of Colombo.
The visit also served as a valuable educational platform, as officer under-trainees and other personnel of the Sri Lanka Navy had the opportunity to conduct an observational
tour of the sailing vessel. This exchange of knowledge was complemented by a series of events designed to foster professional and social bonds.
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Heat Index at Caution Level in the Northern, North-central, North-western, Western, Sabaragamuwa, Eastern and Southern provinces and in Monaragala district
Warm Weather Advisory
Issued by the Natural Hazards Early Warning Centre
Issued at 3.30 p.m. on 18 April 2026, valid for 19 April 2026
The Heat index, the temperature felt on human body is likely to increase up to ‘Caution level’ at some places in the Northern, North-central, North-western, Western, Sabaragamuwa, Eastern
and Southern provinces and in Monaragala district.
The Heat Index Forecast is calculated by using relative humidity and maximum temperature and this is the condition that is felt on your body. This is not the forecast of maximum temperature. It is generated by the Department of Meteorology for the next day period and prepared by using global numerical weather prediction model data.

Effect of the heat index on human body is mentioned in the above table and it is prepared on the advice of the Ministry of Health and Indigenous Medical Services.
ACTION REQUIRED
Job sites: Stay hydrated and takes breaks in the shade as often as possible.
Indoors: Check up on the elderly and the sick.
Vehicles: Never leave children unattended.
Outdoors: Limit strenuous outdoor activities, find shade and stay hydrated.
Dress: Wear lightweight and white or light-colored clothing.
Note:
In addition, please refer to advisories issued by the Disaster Preparedness & Response Division, Ministry of Health in this regard as well. For further clarifications please contact 011-7446491.
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‘Agents of the devil’ seeking to block Easter probe, Cardinal warns
Warning that “agents of the devil who wish to hide the truth behind a wall of political posturing” were attempting to obstruct investigations into the Easter Sunday terror attacks, the Catholic Church has called for intensified public support and prayer to ensure justice for victims.
In a message issued ahead of the seventh anniversary of the April 21, 2019 bombings, Colombo Archbishop Cardinal Malcolm Ranjith said there were ongoing efforts by various forces to derail credible inquiries into the coordinated attacks that claimed 278 lives and left nearly 500 injured.
The statement noted that many of those killed had been attending Easter Sunday Mass when suicide bombers struck churches, including St. Anthony’s Shrine, Kochchikade, St. Sebastian’s Church, Katuwapitiya, and Zion Church, Batticaloa, causing widespread devastation and long-term suffering among survivors.
Seven years on, the Caridnal said, critical questions remain unanswered, including who masterminded the attacks, their motives, and why places of worship were targeted on Christianity’s most sacred day.
Full text of Cardinal Malcolm Ranjith’s message: On 21st April 2026, the Church in Sri Lanka will be commemorating the 7th Anniversary of the Easter Sunday bomb blasts, which killed 278 of our fellow human beings and brethren in the faith in the most brutal fashion. Most of these people had come to our Churches for Easter Sunday Masses and prayer services. Many families were rendered destitute. Nearly 500 people were injured and some of them carry life long disabilities, suffering from the after effects of these blasts. St. Anthony’s Church Kochchikade and St. Sebastian’s Church Katuwapitiya of the Catholic community and the Zion Church in Batticaloa were, quasi totally destroyed. The economy of the country suffered immensely with untold problems affecting many families, ever since then. However much we try to console the families of these victims, it is something that we humans are unable to achieve as only the Lord can truly console them.
Besides, we still do not know who murdered these people and caused so much of suffering to many others, and why and for what purpose they chose our Churches on a day that was most sacred to us to organize these attacks. After repeated pleas by the Catholic Church, now at last, the incumbent government and the security establishment, seem to be holding a credible inquiry into this episode of mass murder in order to find out who was really behind it.
And there are many forces actively seeking to obstruct these inquiries and divert the direction of the inquiry in an aimless fashion in order to hide the truth behind these attacks. They are nothing but the agents of the devil who wish to hide the truth behind a wall of political posturing. We need to storm Heaven and ask the Lord to strengthen the hands of the investigators to find out what really happened and who was behind this mass murder as well as why it was done to innocent people who had nothing to do with politics.
Hence, I call upon all of you to kindly storm Heaven with your prayers calling upon the Lord to help us find out what really happened that most tragic day. And so, I am declaring Sunday, the 19th of April 2026, as a special day of prayer for this purpose. I shall be most grateful to every one of you, beloved brethren, if you could recite special prayers in all the parishes of the Archdiocese at Sunday Mass on that day and offer prayers at home too for the success of these investigations. The special prayer for truth and justice for the victims of the bomb attacks, already approved by the Catholic Bishops’ Conference, could also be recited. I call upon all our Catholic devotees to join us in this effort.
Let us stand together firmly behind the efforts to find out the truth. Let us not be deceived by attempts of different people to hide the truth or divert attention in all kinds of directions in order to confuse the public.
May the Blessed Mother, our Lady of Lanka, intercede for us in this most important matter.
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