Sustainability conferences in Ireland in 2026

Here’s SustainabilityOnline’s guide to the top sustainability conferences and events taking place in Ireland over the coming year. This guide will be updated as and when new events are announced – check back regularly for updates. Other events taking place around Europe can be found here.

Event: Net Zero Construction Symposium
Date(s): 21 January
Location: Wexford
Website: https://hpba.ie/hpba-net-zero-construction-symposium/

The Net Zero Construction Symposium is organised by the High Performance Building Alliance. The event will focus on challenges and opportunities in delivering net zero construction, with emphasis on Modern Methods of Construction (MMC), biobased materials, circular construction, and skills development. The programme includes a keynote address by Dr Barry Mc Carron and contributions from representatives across construction, education, and sustainability organisations involved in the Irish built environment.

Event: Energy Ireland Renewable Energy Summit 2026
Date(s): 5 February 2026
Location: Dublin
Website: https://www.irishrenewableenergysummit.ie/

Now in its 22nd year, the Energy Ireland Renewable Energy Summit 2026 is set to focus on the development of a clean, secure, and affordable renewable energy system in Ireland. The event will gathers over 200 stakeholders from across the renewable energy sector, including policymakers, industry leaders, and researchers. Key topics include achieving 80% renewable electricity by 2030, offshore wind, biomethane development, energy storage, grid flexibility, and the role of AI in the energy transition

Event: ESG Spring 2026 Summit
Date(s): 15 April 2026
Location: Dublin
Website: https://esgsummit.ie/

The Business Post ESG Spring 2026 Summit will bring together corporate leaders, policymakers, and ESG specialists to explore sustainability and corporate governance in a changing regulatory environment. The event focuses on embedding sustainability into business strategy, leveraging technological innovation and data analytics, and sharing case studies of effective ESG practices.

Event: SEAI Energy Show 2026
Date(s): 22–23 April 2026
Location: Dublin
Website: https://www.seai.ie/events/seai-energy-show

The SEAI Energy Show 2026 is hosted by the Sustainable Energy Authority of Ireland (SEAI) and will provide businesses and organisations with opportunities to explore sustainable energy solutions. The event features exhibitions, live demonstrations, talks, and networking opportunities across the sustainable energy supply chain, highlighting clean energy technologies and energy-saving practices.

Event: Environ 2026
Date(s): 27–29 April 2026
Location: Dundalk
Website: https://www.esaiweb.org/environ/

Environ 2026 is an environmental conference hosted by the Environmental Science Association of Ireland (ESAI) and Dundalk Institute of Technology. The event will focus on sustainable practices and environmental protection, emphasising local and regional research in renewable energy, water management, nature-based solutions, circular economy, and cross-border innovation. It brings together researchers, practitioners, and policymakers to discuss applied solutions tailored to the North East of Ireland and surrounding regions.

Event: Build Green Now 2026
Date(s): 27 May 2026
Location: Dublin
Website: https://www.igbc.ie/events/build-green-now-2026/

Build Green Now 2026 is the Irish Green Building Council’s conference on sustainable construction, bringing together industry leaders, policymakers, and innovators. The event will focuses on circular construction, sustainable materials, regulatory changes, and best practices in the built environment, offering networking and insights into emerging business opportunities and innovative solutions.

Event: National Sustainability Summit
Date(s): 27–28 May 2026
Location: Dublin
Website: https://www.manufacturingevent.com/co-locate/national-sustainability-summit

The National Sustainability Summit will bring together sustainability experts, industry leaders, policymakers, and businesses to explore practical strategies aligned with Ireland’s Climate Action Plan. The event focuses on pathways to net-zero carbon emissions by 2050, covering renewable energy, electric vehicle adoption, sustainable agriculture, waste reduction, and building retrofits.

Event: Sustainability in the Built Environment Summit
Date(s): 4 June 2026
Location: Dublin
Website: https://sustainablebuildingsummit.ie/

The Business Post Sustainability in the Built Environment Summit is a one-day event focused on scaling the decarbonisation of Ireland’s commercial, residential, and public sector buildings. The summit will welcome researchers, practitioners, and policymakers to discuss strategies for reducing operational and embodied carbon, implementing energy-efficient design, innovative materials, smart technologies, and policy measures.

Event: 12th International Conference on CSR, Sustainability, Ethics, and Governance
Date(s): 17–19 June 2026
Location: Limerick
Website: https://www.ul.ie/business/the-12th-international-conference-on-csr-sustainability-ethics-and-governance

The 12th International Conference on CSR, Sustainability, Ethics, and Governance is hosted by the University of Limerick’s Kemmy Business School in partnership with the Global Corporate Governance Institute (GCGI). The event will bring together academics, industry experts, policymakers, and emerging leaders to discuss responsible business practices, sustainability, ethics, and governance. The conference includes an academic exchange, workshops, and opportunities to explore actionable strategies for sustainable and ethical business practice, with a focus on aligning research and practice with the UN Sustainable Development Goals.

Event: Climate Carnival #2
Date(s): 16–17 September 2026
Location: Stradbally
Website: https://www.climatecocktailclub.org/

Climate Carnival #2 is a two-day sustainability and climate leadership event hosted by the Climate Cocktail Club at Ballintubbert House & Gardens. The event will gather changemakers, business leaders, activists, and innovators for workshops, panels, and immersive experiences across themes including leadership, landscapes, people power, future of food, and exploration. Ticket options include full-day, dinner, and two-day packages, with partnerships available for organisations.

Event: Global Bioeconomy Summit
Date(s): 20–21 October 2026
Location: Dublin
Website: https://www.iacgb.net/

The Global Bioeconomy Summit 2026 is an international forum focused on bioeconomy policy, innovation, and cross-sector collaboration. Organised by the International Advisory Council on Global Bioeconomy (IACGB) in partnership with the Irish Government, the summit will convene political leaders, policymakers, industry representatives, researchers, and civil society to advance sustainable, bio-based solutions. The event addresses topics such as biostimulants in agriculture, biorefinery development, circular bioeconomy strategies, climate action, and socio-economic transformation, highlighting the bioeconomy’s role in decarbonisation, sustainable agriculture, and rural development.

If there are any other events you think should be on our list, don’t hesitate to get in touch with us here.