Sustainability conferences in Portugal in 2026

Here’s SustainabilityOnline’s guide to the top sustainability conferences and events taking place in Portugal 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: TheSustainImpact International Conference 2026
Date(s): 14–16 April 2026
Location: Lisbon
Website: https://thesustainimpact.com/international-conference-apr2026/

TheSustainImpact International Conference 2026 will bring together educators, researchers, innovators, and business leaders to turn sustainability ideas into measurable impact. Built around the pillars of Education, Innovation, and Business Strategy, the hybrid event will highlight practical methods, digital tools, and cross-sector collaboration to create real-world environmental and societal outcomes, with a focus on emerging and developing economies.

Event: International Conference on Water, Energy, Food and Sustainability (ICoWEFS)
Date(s): 14-16 May 2025
Location: Leiria
Website: https://icowefs.ipleiria.pt/

ICoWEFS is a forum for innovation and knowledge exchange on the water-energy-food nexus, aligned with the UN Sustainable Development Goals. The conference will bring together academics, researchers, and industry experts to discuss climate adaptation, sustainable technologies, and circular economy solutions.

Event: RE+ Portugal
Date(s): 20 May 2026
Location: Porto
Website: https://re-plus.events/portugal/

RE+ Portugal is a one-day event highlighting Europe’s energy transition, focusing on the rapid expansion of solar capacity, energy storage resilience, and stable clean energy policies. The conference will welcome leaders in photovoltaic innovation, grid integration, and market development to share insights, foster collaboration, and drive progress in Europe’s sustainable energy landscape.

Event: Euro Sustainability Conference 2026
Date(s): 25–26 May 2026
Location: Lisbon
Website: https://scientonline.org/sustainability-conferences/

The Euro Sustainability Conference 2026 is a gathering of experts, innovators, and policymakers focused on the theme Circular Economy and Beyond: Designing a Regenerative Future. The event will provide a platform for researchers, industry leaders, and sustainability advocates to exchange knowledge, share best practices, and explore actionable solutions to pressing environmental and social challenges, fostering collaboration and impactful dialogue.

Event: 7th World Congress of Environmental and Resource Economists (WCERE 2026)
Date(s): 29 June – 3 July 2026
Location: Lisbon
Website: https://www.eaere.org/events/annual-conferences/wcere-2026/

WCERE 2026 will convene scholars, practitioners, and policymakers in environmental and resource economics to explore global challenges and solutions. Hosted by Nova School of Business and Economics, the congress will offer in-person sessions on sustainable resource management, climate policy, and economic strategies for environmental resilience.

Event: Energy and Sustainability Conference 2026
Date(s): 9–10 July 2026
Location: Lisbon
Website: https://www.sherlockproject.eu/energy-sustainability-conference/energy-and-sustainability-conference-2026

The 2nd edition of the SHERLOCK Energy and Sustainability Conference, co-organised by LNEG and Nova University Lisbon, will focus on the theme ‘Supporting the Energy Transition for the Building Stock’. The event will explore innovative pathways to accelerate building renovation, energy efficiency, and climate resilience across Europe’s built environment, bringing together researchers, industry professionals, policymakers, and civil society for knowledge exchange and collaboration.

Event: International Conference on Energy and Environmental Research (ICEER 2026)
Date(s): 15–17 July 2026
Location: Porto
Website: https://iceer.net/

ICEER 2026, organised by the School of Engineering (ISEP) of the Polytechnic of Porto and SCIEI, will provide a platform for engineers, researchers, and specialists from academia, research centers, and industry to present and discuss the latest advancements in energy and environmental research. The conference will cover topics including energy, environmental sustainability, and education for sustainable development, fostering collaboration and knowledge exchange to address global challenges.

Event: 3rd European Meeting on Renewable Energy and Sustainable Technology
Date(s): 5–6 October 2026
Location: Lisbon
Website: https://renewableenergy.c2pforum.com/

The 3rd European Meeting on Renewable Energy and Sustainable Technology will bring together researchers, industry experts, policymakers, and innovators in Lisbon to explore cutting-edge developments in renewable energy and sustainable technologies. The conference will focus on advancing clean and renewable energy solutions, energy storage, grid integration, hydrogen and fuel cells, climate change mitigation, and the role of digitalisation and AI in the energy transition.

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