Business
South Asian Nitrogen Hub (SANH) Research Study at Dilmah’s Queensberry Estate
Working to Understand the Impact of Nitrogen Pollution from Ammonia on South Asian Forest Ecosystems
Since 2020, the UKRI GCRF South Asian Nitrogen Hub (SANH), in collaboration with Dilmah Tea, Dilmah Conservation, and the University of Peradeniya, has been conducting a study on the impact of ammonia pollution within a tropical forest ecosystem.
A news release on the subject from Dilmah explained emissions of ammonia to air represent a form of nitrogen waste, which is mainly lost from fertilizers and manures, reducing productive output in agriculture.
The project partners established an experimental site within the Rilagala Forest Sanctuary, adjacent to the Dilmah Queensberry Estate. Notably, South Asia has become a hot spot for nitrogen waste, leading Sri Lanka to lead international ambition to halve nitrogen waste by 2030, as declared during the Colombo Declaration of UN Day in 2019. The experimental site has now become a permanent monitoring plot.
Nitrogen, essential for food and protein production, poses a significant threat due to the excessive nitrogen waste generated from fossil fuel burning and the overuse of fertilizers. One key form of nitrogen release into the environment is ammonia, which can have adverse impacts on natural ecosystems and formation of fine particulate matter air pollution, which is damaging for human health.
The SANH research project addresses the pressing need for baseline data on the consequences of nitrogen pollution in much understudied South Asian Forest ecosystems, aiming to provide crucial insights for sustainable nitrogen management policies.
An integral part of this research involves the innovative use of a controlled ammonia enhancement system in forests, making it one of only two such sites globally. In this system the atmospheric ammonia pollution equivalent to a small farm is simulated. A system was developed to release ammonia only under specific wind conditions, ensuring it reaches designated areas where lichen and vegetation research plots are located.
The UKRI GCRF South Asian Nitrogen Hub (SANH) collaborates with 32 leading research organizations across South Asia and the UK. In Sri Lanka, the research team is led by Professor S.P. Nissanka of the University of Peradeniya, in partnership with the Hub lead Prof. Mark Sutton, of the UK Centre for Ecology & Hydrology, Edinburgh. Specific expertise is provided by Dr. Gothamie Weerakoon, an internationally renowned lichen expert based at the Natural History Museum, London who previously collaborated with Dilmah Tea on a book about lichens and Dr. Ajinkya Deshpande, an environmental ecologist at UKCEH.
Professor Nissanka commented: “This is a superb opportunity for Sri Lanka to demonstrate its international leadership in both nitrogen science and policy. The Rilagala experiment on ammonia is the first of its kind in the whole of Asia”.
Professor Sutton added, “We are looking at work to raise awareness by better understanding the key threats. For example, seeing how nitrogen pollution is damaging coral reefs, exacerbating the problem of climate change with coral bleaching, seeing how nitrogen is affecting forest biodiversity, which is little studied, and finally we are looking at bringing those fluxes and flows together.”
Dr. Deshpande, emphasized “This experiment serves as a platform on which other institutes can build, using it as an example of the critical importance of data collection. Our methodology can be replicated elsewhere, broadening the impact of our work.”
In 2020, a research site was established at 1600 meters within the Rilagala Forest Reserve, which had been surrounded by Queensberry Estate tea plantations for nearly two centuries. This site offered ideal conditions and a rich biodiversity of lichen species, serving as effective bioindicators for monitoring nitrogen pollution.
Dr. Gothamie Weerakoon, said “The conclusions drawn from this data are crucial for sustainable farming, crop development, and improved livelihoods. If other corporate sector organizations who support such research, like Dilmah, come forward, it will illuminate the future of Sri Lanka and South Asia.”
Dilmah’s Climate Change Research Centre at Queensberry Estate in Nawalapitiya, the only privately owned climate change center in Sri Lanka, has provided unwavering logistics support to the SANH team, even during the COVID-19 pandemic and economic crises, demonstrating their dedication to climate change research. Local student researchers working on the project are supported by Dilmah through the Climate Research Centre, offering them valuable exposure to international collaborators, and raising awareness about the impact of climate change.
Business
Inflation curbed by govt. fuel subsidy introduction and surcharge on vehicle import tax – CBSL Governor
By Hiran H. Senewiratne
The government’s decision to introduce the fuel subsidy and the surcharge on the vehicle import tax helped curb inflation to a great extent, Central Bank Governor Dr. Nandalal Weerasinghe said.
‘The government this week approved a Rs. 40 billion fuel subsidy for the next three months on top of Rs. 57 billion provided from April-June, Governor Weerasinghe told the media yesterday at the Central Bank head office in Colombo at the CBSL’s monthly monetary policy review meeting.
‘If not for fuel subsidy and surcharge on the vehicle import tax, the inflation would have been higher than the current level, the Governor said.
‘There could have been higher imports and reserve building up would have been difficult. Inflation has risen beyond the Central Bank’s upper band of 7 percent since July, he said.
‘The country’s inflation hit a 37-month high of 8 percent in August after the government raised fuel prices more than 50 percent following the Middle Eastern escalation by end February, Dr Weerasinghe said.
The Central Bank’s inflation target for the past three years have been 5 percent with lower band of 3 percent and higher band of 7 percent, Governor said.
The Governor added: ‘The government provided Rs.57 billion as a fuel subsidy mainly for diesel. The latest Rs.41 billion has been allocated only for diesel as it is used for public transport.
‘The government also imposed a temporary 50 percent surcharge on Customs Import Duty on new personal vehicles on May 16 and has extended it until December 31, a move that will help to prevent outflow of foreign currency.
‘The Central Bank also tightened the monetary policy in May, raising the key monetary policy rate by 100 basis points, to curb excess demand in the economy to control demand-driven inflation.’
Meanwhile, head of the CBSL’s Economic Research Department L.R.C. Pathberiya said, ‘Credit growth has slowed to 24.5 percent year on year in August from a higher level of 30 percent a few months ago, after the Central Bank’s monetary policy tightening in May.
‘However, the Central Bank is optimistic about the current credit growth, he explained.
Pathberiya added: ‘The credit to the private sector from commercial banks has slowed, but we believe it is sufficient for economic growth.
‘The nation’s economic growth slowed to 4.2 percent year-on-year, its lowest in 11 quarters’’.
Business
PM warns Sri Lanka’s waste crisis is a ‘disaster waiting to happen’
By Ifham Nizam
Prime Minister Dr. Harini Amarasuriya warned that Sri Lanka’s worsening waste-management crisis, particularly the uncontrolled accumulation of plastic waste and poorly managed landfills, was a “disaster waiting to happen”, urging scientists, researchers and policymakers to help the government find practical solutions before the problem reaches a critical point.
Addressing the launching of the Open University of Sri Lanka organized, ‘International Conference on Plastics, Innovations and Environmental Sustainability’ (ICPIES 2026) as Chief Guest, at the Cinnamon Lakeside Hotel yesterday she said waste management, waste reduction and recycling had become national priorities, with the government placing greater emphasis on the issue in its preparations for the 2027 Budget.
‘This is becoming a critical issue and something that, at any moment, if we don’t manage it properly, could become a huge disaster. It’s a disaster waiting to happen, Dr. Amarasuriya said.
She said unregulated and poorly managed landfills, particularly in and around Colombo, posed serious environmental and public risks, while increasing urbanisation was extending the waste-management challenge beyond the capital to other parts of the country.
‘As a member of Parliament for the Colombo District, I can tell you that one of the biggest challenges we are facing is waste management and actually managing the recycling of waste, and particularly of plastic products. This is something that we are battling every day, she said.
The Prime Minister said the government could not regard economic development as meaningful if it came at the expense of the country’s environment and natural resources.
‘If we are to speak of a beautiful life, we must first ensure that the air we breathe, the water we drink, the soil on which we live, the food we eat is clean and secure, she said.
She pointed to the scale of the global plastics crisis, noting that around 400 million tonnes of plastic waste are generated worldwide each year, while between 19 and 23 million metric tonnes of plastic waste enter natural ecosystems annually.
Plastic waste eventually breaks down into microplastics, which can enter aquatic organisms and subsequently the human food chain, she said.
Dr. Amarasuriya also linked plastic consumption and environmental degradation to the wider climate crisis, warning that the consequences of climate change were already being experienced by communities around the world.
She referred to devastating floods and landslides in the Himalayan region and said the impacts of climate change demonstrated that environmental damage could have consequences far beyond national boundaries.
Coastal clean-up projects and other waste-separation and recycling initiatives are also being implemented, while the government is working with the Western Provincial Council on a refuse-derived fuel project at Karadiyana.
The third ICPIES, held under the theme “Eco-Driven Innovations,” brings together researchers, policymakers, industry representatives and other stakeholders to examine plastic pollution, microplastics, circular-economy approaches, waste-management policy, technological innovation, artificial intelligence and smart environmental monitoring. The conference ends today.
Senior Professor P. M. C. Thilakarathne, Vice Chancellor of the Open University of Sri Lanka, was the Guest of Honour.
Business
Mention of possible future inflation dampens investor appetite
By Hiran H. Senewiratne
Stock investors were worried yesterday following Central Bank Governor Dr. Nandalal Weerasinghe’s mention at the CBSL monthly monetary policy review meet of possible future inflation pressures that may impact the economy.
The All Share Price Index went down by 4.89 points, while the S and P SL20 rose by 16.1 points. Turnover stood at Rs 1.55 billion with four crossings.
Those crossings were; Access Engineering crossed 1.5 million shares to the tune of Rs 119.8 million; its shares traded at Rs 79.60, Sampath Bank 450,000 shares crossed tfor Rs 63 million; its shares sold at Rs 140, Sunshine Holdings 750,000 shares crossed to the tune of Rs 21.4 million; its shares traded at Rs 28.50 and Softlogic Life 290,000 shares crossed for Rs 20.4 million; its shares sold at Rs 70.40.
In the retail market companies that mainly contributed to the turnover were: Access Engineering Rs 150 million (1.9 million shares traded), JKH Rs 113 million (six million shares traded), Softlogic Life Rs 80 million (one million shares traded), Softlogic Capital Rs 64.7 million (6.7 million shares traded), Lanka Realty Rs 64.3 million (1.3 million shares traded), Colombo Dockyard Rs 53.7 million (452,000 shares traded) and Sierra Cables Rs 50 million (1.43 million shares traded). During the day 58.9 million share volumes changed hands in 13536 transactions.
It is said that mixed market reactions were noted especially in manufacturing while banking, insurance and FMCG sectors performed well. Further, construction sector counters, especially Access Engineering, and banking sector counters, especially Sampath Bank, performed well.
People’s Leasing & Finance PLC announced its allotment basis for 100 million listed debentures it issued to raise Rs 10 billion, after receiving applications for the full amount.
Yesterday the rupee was quoted at Rs 330.68/75 to the US dollar in the spot market from Rs 330.70/90 the previous day, while bond yields were quoted steady to lower, dealers said.
An auction of Rs 80,000 million Treasury bills was ongoing.
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