Latest Research Publications
Research 503: The Irish Hydrometric Reference Network Version 2.0
Authors: Paul O’Connor, Conor Murphy and Niamh Cahill, December 2025
Year: 2025
Hydrometric reference networks are crucial for tracking climate variability, hydrological modelling and extreme events. This research, led by a team in Maynooth University, enhanced the Irish Hydrometric Reference Network (IHRN) to better detect climate-driven changes in river flows across Ireland. Building on the EPA HydroDetect project, it adds a key tool for water management and addresses gaps in understanding floods, average flows and droughts. Findings show increasing high and mean flows in winter and decreasing low flows in spring and summer indicating greater flood and drought risks. Long-term reconstructions show stronger seasonal trends and the influence of the North Atlantic Oscillation. The updated IHRN dataset underscores the importance of hydrological modelling, flood risk management and climate resilience planning. The research recommends expanding the network to include groundwater and lakes with coordinated national oversight to ensure Ireland’s hydrological resilience.
Research 502: Mainstreaming Circular Economies Through Collaboration and Co-creation (MainCirc)
Authors: Lisa O’Malley and Maria Lichrou, November 2025
Year: 2025
The Information and Communications Technology (ICT) sector offers high potential for circular practices due to its significant environmental footprint and reliance on critical raw materials. The MainCirc project led by a team in University of Limerick in partnership with Green IT Ltd, an Irish SME, explored how circularity could be mainstreamed through innovative business models, focusing on remanufacturing ICT devices. A key achievement was Green IT’s inclusion in Ireland’s public procurement framework, making Ireland the first EU country to allow remanufactured ICT under its “Buying Greener” strategy. Findings revealed that remanufactured devices offer higher perceived value than refurbished ones, especially for organisational buyers. The project demonstrates the viability of circular ICT through ‘servitization’ a shift from product- to service-based business models and provides evidence-informed insights for sustainable procurement.
Research 501: The Impact of Extreme Weather Events on Ecosystems – Scoping Study (Extremes)
Authors: Mary Kelly-Quinn, Ashenafi Yohannes Battamo, Elke Eichelmann, John O’Sullivan and Md Salauddin, November 2025
Year: 2025
Evidence of accelerating pressures on ecosystems and biodiversity is mounting, particularly in terms of pollution and habitat fragmentation. This desk-study led by a team from UCD examined the potential impacts of extreme weather events (EWEs) on Ireland’s Special Areas of Conservation and Special Protection Areas. Stakeholder questionnaires highlighted habitat-specific vulnerabilities and varying sensitivities e.g., flooding and heavy rain threaten rivers and uplands; heatwaves affect lakes; droughts endanger fens and turloughs; and wildfires and storms damage forests and grasslands. A vulnerability framework combining exposure, sensitivity, and adaptive capacity tested on Dublin Bay’s Atlantic salt meadow showed potential for national application. Findings provide information to track climate change impacts and mitigate EWE impacts on protected sites It recommends targeted assessments, development of indicators, collection of multi-scale data, and enhancement of monitoring systems.
Research 500: Operationalising Resilience in Climate Action (ORICA)
Authors: Conor Murphy, Miguel Angel Trejo Rangel, Tara Quinn, Róisín Moriarty and Ailbhe Gallagher, November 2025
Year: 2025
Ireland faces growing climate risks, demanding a coordinated and resilient adaptation strategy. The ORICA project led by ICARUS in Maynooth University examined how resilience is defined and implemented across Irish climate policy. While Ireland’s adaptation policies via the National Adaptation Framework (NAF) have evolved to include governance and equity, inconsistent definitions of resilience across policy documents create confusion, hindering alignment and effectiveness in implementation. Local authorities show potential for innovation, integrating nature-based solutions and community involvement. Key challenges include fragmented adaptation governance, limited resources, and unclear resilience targets. To advance, Ireland must unify its resilience definition, strengthen cross-sectoral coordination, shift from planning to action, and embed participatory decision-making processes approaches into adaptation planning.
Research 499: The Role of Irish Small and Medium-sized Enterprises in the Transition to a More Circular Economy
Authors: Bernadette Power, Gordon Sirr, Geraldine Ryan and John Eakins, November 2025
Year: 2025
In support of Ireland's transition to a Circular Economy, the Trans2CirEcon research project conducted by University College Cork explored the role of Irish Small and Medium Enterprises (SMEs). Through surveys of SMEs and consumers, the research found low engagement in the Circular Economy. However, strong interest and willingness to participate in circular business models (CBMs) was identified, indicating a latent demand for Circular Economy products and services. Sectoral differences were noted, with construction, manufacturing, and retail SMEs favouring different CBMs and identifying different barriers and motivators. Consumer engagement with the Circular Economy also varied by product type and socioeconomic status. The research provides policy recommendations and interventions to address systemic barriers, foster innovation and support SME and consumer engagement in the Circular Economy.
Research 498: Indicators of Air Pollution Effects in Ecosystems for Monitoring under the EU National Emission Reduction Commitments Directive
Authors: Thomas Cummins, Lorna Marcham and Keelan McHugh, November 2025
Year: 2025
EU member states are required to continuously monitor the state of ecosystems where negative effects of air pollution may occur, under the National Emission Commitments Directive (NEC). The NEC Indicators project led by a team in UCD reviewed indicators used to detect air pollution effects in sensitive ecosystems like bogs and semi-natural grasslands. It focused on ammonia, mainly from agriculture, and ozone, formed through chemical reactions involving industrial and transport emissions. The findings show that ozone levels are highest near Ireland’s Atlantic coast, decreasing inland and in urban areas due to deposition and chemical reactions. Researchers found that even low nitrogen inputs can significantly alter plant communities. The findings may be used to review and refine monitoring methods in the National Ecosystems Monitoring Network. Development of structures and communication within the monitoring community is encouraged.
Research 497: Understanding Ozone Levels in Ireland
Authors: Liz Coleman, Nikhil Korhale, Damien Martin, Emmanuel Chevassus, Ling Zhen, Wei Xu and Colin D. O’Dowd, November 2025
Year: 2025
Ozone plays a crucial role in atmospheric chemistry, forming naturally in the stratosphere and at ground level through sunlight and precursor pollutants. While essential, ground-level ozone poses risks to human health and ecosystems. A University of Galway-led study explored the drivers of ozone pollution in Ireland, highlighting the influence of meteorology and transboundary emissions. Using long-term data and advanced modelling, researchers found that rural and coastal areas experience higher ozone levels than urban zones, though urban ozone is rising in Ireland and at a Global level due to declining NOₓ emissions. The study identifies methane as the main reactive carbon precursor to Irish ground-level ozone. The findings provide policy actors with evidence that supports the use of high-resolution modelling to understand ozone trends and recommends increased public awareness using educational campaigns.
Research 496: INHALE: Irish Nationwide Health and Air Quality Linkage
Authors: Éilis J. O’Reilly, Claire Buckley, Christina Dillon and Stig Hellebust, October 2025
Year: 2025
Outdoor air pollution is “the single biggest environmental health risk”, accounting for almost 4.2 million premature deaths in 2019 (WHO, 2024). The INHALE project, led by University College Cork, reviewed global best practices for linking air quality and health data while protecting patient confidentiality. It proposed two solutions for Ireland: investing in trusted research environment (TRE) infrastructure to securely share de-identified, individual-level data, and a researcher-led method that links pollution data to Eircodes and merges it with health records through data custodians. The INHALE project provides policymakers with greater insight and evidence to facilitate cost-effective methods to address barriers in linking air quality and health data. It recommends more investment of dedicated resources to better understand the health effects of air pollution.
Research 495: Source Apportionment of Air Pollution in the Dublin Port Area (PortAIR)
Authors: Kirsten Fossum, Niall O’Sullivan, Srishti Jain, Lu Lei, Chunshui Lin, Darius Ceburnis, Stig Hellebust, Colin O’Dowd, Jurgita Ovadnevaite and John Wenger, October 2025
Year: 2025
Dublin Port, Ireland’s largest freight and passenger port, brings significant economic and social benefits, however emissions from ships and other port-related activities contribute to climate change and air pollution. The PortAIR project conducted the first detailed study of air quality impacts from ships and port activities using continuous monitoring and advanced modelling throughout 2022. It identified two main ship plumes: one dominated by sulfate from high-sulfur fuel with scrubbers and another by organic species from low-sulfur fuels. Ship emissions peaked during manoeuvring. With port expansion planned, emission reduction strategies are recommended, including shore-side electricity, emission control zones, battery-powered vessel and cleaner fuels. The study highlights the importance of advanced instruments for continuous air quality monitoring and recommends the need for further research into mitigation technologies.
Research 494: Peat Hub Ireland
Authors: Florence Renou-Wilson, David Wilson and Kate Flood, October 2025
Year: 2025
Healthy peatlands offer vital benefits for human well-being, including cleaner air and water, carbon storage, and cultural value. Across Europe, there is growing recognition of the need to protect undrained peatlands, rewet drained ones, and restore degraded areas. The Peat Hub Ireland project led by a team from University College Dublin reviewed Irish peatland research from 2000–2023 to identify trends, risks, and knowledge gaps. It highlighted 71 research gaps and 96 priority actions across biodiversity, climate, policy, and more. Peat Hub Ireland also produced a glossary, open-source database, and 10 thematic factsheets to support accessible knowledge sharing. The research findings provide policymakers, researchers, and civil society with evidence-based information. It also provides tools to support decision-making around sustainable management and governance of peatlands in Ireland as a critical national resource.
Research 493: Biological Tools to Measure the Impact of Flow on Ecology in Irish Rivers
Authors: Martin Gammell, Heather T. Lally, Conor Graham, Lynda Weekes, Andrés Peredo Arce, Chris Westwood, Mike Dunbar and Chris Extence, September 2025
Year: 2025
Researchers from Atlantic Technological University, examined the use of biomonitoring tools (called hydroecological indices) for measuring the effects of changes in flow on biota (species) in Irish Rivers. Human driven factors like climate change, water abstraction and instream barriers can alter river flows, thereby having negative impacts on river biota. It is important to be able to monitor and mitigate such impacts. Showing clear links between flow changes and ecological conditions, this research successfully adapted two existing macroinvertebrate indexes and developed a new macrophyte index for use in Irish rivers, further research is needed to test the overall performance of the later. Findings include recommending the use of hydroecological monitoring tools in national biological monitoring programmes to help address national policy, including the Water Action Plan 2024 and the Water Environment (Abstractions and Associated Impoundments) Act 2022.
Research 492: Artificial Intelligence as an Enabler of the Circular Economy
Authors: Enya O’Connell-Hussey, Veena Grace Thomas, Valentina Rangel Leon, Carlos Garcia, David McCormack and Geraldine T. Brennan, September 2025
Year: 2025
The Artificial Intelligence for Circular Economy in Ireland (AI4CE) research project found that while Ireland’s AI adoption rate exceeds the EU average, its use in advancing the circular economy (CE) is still in its early stages and mainly concentrated in waste and recycling. The findings highlight key barriers including low awareness of AI-CE synergies, financial limitations (especially for SMEs), data governance challenges, skill shortages, and resistance to change. AI4CE recommends more investment in education about AI, increased stakeholder collaboration, improved infrastructure, and clear business cases to demonstrate cost savings and efficiency gains. To support adoption, AI4CE developed three resources: a Decision Support Tool with case studies, a Best Practice & Policy Guide explaining AI-CE integration and regulations, and a Status Report summarising current AI use in Ireland’s CE landscape.
Research 491: Human Biomonitoring for Ireland – The HBM4IRE Study
Authors: Alison Connolly, Richa Singh, Holger Koch, Marike Kolossa-Gehring and André Conrad, September 2025
Year: 2025
The Human Biomonitoring for Ireland (HBM4IRE) project assessed the feasibility of establishing a national Human Biomonitoring (HBM) programme in Ireland to better understand cumulative chemical exposure from various sources. Despite EU regulations, concerns remain about long-term health impacts, and HBM offers a more accurate method of measuring human exposure through biological samples. The study confirmed Ireland’s capacity to implement such a programme, aligning with EU initiatives like the Green Deal and Zero Pollution Action Plan. Key outcomes include Ireland’s first priority chemical list, a proposed governance framework involving agencies like the EPA and HSE, and recommendations for stakeholder engagement, data transparency, and sustained funding. The findings support evidence-based policymaking, improved public health protections, and international collaboration. HBM4IRE also provides a roadmap for future efforts, including addressing.
.png)
Research 490: Importance of Physico-chemical Cycling of Nutrients and Carbon in Marine Transitional Zones (Nuts & Bolts)
Authors: Peter Croot, Rachel Cave, Sheena Fennell, Maija Heller, Tiernan Henry, Nadeeka Rathnayake, Fatimatuj Zohara Sonny and Dagmar Stengel, August 2025
Year: 2025
Marine transitional zones (MTZs) serve as important material filters in the transfer of elements and chemical species from land to sea. Through physico-chemical and biological processes, nutrients and trace metals are either removed or chemically altered within MTZs, resulting in a reduced flux of materials to the coastal zone. This research, led by a team from the University of Galway, aims to enhance our understanding of the impact of multiple environmental stressors on Irish MTZs. The study involves biogeochemical and bio-optical investigations at four characteristically different sites: the Shannon Estuary, Kinvara Bay, Lough Furnace, and Galway Bay. New data generated from this research will improve our ability to predict and model the effects of climate change and other anthropogenic stressors on good environmental status of MTZs. Additionally, the study provides essential environmental information to support decision-making related to the management and governance of Irish MTZs.
Research 489: Strategies to Improve Water Quality from Managed Peatlands (SWAMP) Project
Authors: Florence Renou-Wilson, Lipe R. D. Mendes, Michael Bruen, Elizabeth Conroy, Thomas Donahue, David Morgan, Behzad Mozafari, Connie O’Driscoll, Fiachra O’Loughlin, Catharine Pschenyckyj, Shane Regan and Mary Kelly-Quinn, July 2025
Year: 2025
The Strategies to Improve Water Quality from Managed Peatlands (SWAMP) research project aimed to address key knowledge gaps about water quality degradation in Ireland's peatland areas. This degradation is caused by decades of drainage for industrial and domestic peat extraction. The project reveals how long-term drainage for peat extraction and other land uses have negatively impacted Ireland's rivers and streams. Drained peatlands have leached harmful nutrients, acids, and carbon-rich water into these water bodies. The research focuses on identifying pollution hotspots, measuring the effects of peat soil drainage on water chemistry and aquatic biodiversity, assessing pollution prevention measures, and developing better hydrological models to predict the response of peatlands to drainage and restoration. These findings come at a crucial time as Ireland must address the specific challenges of complying with the Water Framework Directive and fulfilling the Nature Restoration Law.
Guidelines on the Preparation of Evidence Synthesis Reports
Year: 2025
Guidelines on the Preparation of Evidence Synthesis Reports
EPA Research Evidence Synthesis Report Layout Template
Year: 2025
This template should be used for the preparation of EPA Research Evidence Synthesis Reports.
EPA Research Steering Committee Terms of Reference
Year: 2025
EPA Research Steering Committee Terms of Reference
EPA Research Report Layout Template
Year: 2025
This template should be used for the preparation of final reports for EPA Research projects.