Sustainability conferences in Hungary in 2026

Here’s SustainabilityOnline’s guide to the top sustainability conferences and events taking place in Hungary 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: International Conference on Sustainability and Environmental Technology (IC-SET 2026)
Date(s): 19–20 February 2026
Location: Budapest
Website: https://hongariamuhammadiyah.id/ic-set-2026/

IC-SET 2026 is set to be a platform for researchers, educators, and technologists to share insights and advancements in sustainability and environmental technology. The conference will cover topics such as renewable energy systems, environmental monitoring, green engineering, waste management, urban sustainability, and technology policy. It is organised by Eötvös Loránd University and offers both in-person and online participation options.

Event: Transport Research Arena (TRA 2026)
Date(s): 8–11 April 2026
Location: Budapest
Website: https://traconference.eu/

TRA 2026 will be Hungary’s largest transport research and innovation conference, initiated by the European Commission and key stakeholders. The event will gather academia, industry, policymakers, and civil society to discuss mobility, transport decarbonisation, digitalisation, and planning. The conference aims to highlight European and global transport innovations and showcase next-generation solutions in a collaborative environment.

Event: 53rd World Groundwater Congress of the International Association of Hydrogeologists (IAH 2026)
Date(s): 14–18 September 2026
Location: Budapest
Website: https://iah2026budapest.com/

IAH 2026 is the 53rd World Groundwater Congress organised by the International Association of Hydrogeologists. The event will include four days of scientific sessions and one day of a field trip focused on groundwater as a critical resource. It brings together experts, researchers, and professionals to discuss groundwater’s role in environmental sustainability, resource management, and societal well-being. The congress is hosted by the Hungarian National Chapter and takes place at the Budapest Congress Center.

Event: Climate Change Conference 2026
Date(s): 28–29 September 2026
Location: Budapest
Website: https://climatechangeconferences.org/

The Climate Change Conference 2026 will bring together researchers, policymakers, industry professionals, and practitioners to discuss practical responses to climate change. The conference will focus on innovation, environmental sustainability, and international collaboration, with sessions covering scientific research, policy approaches, and applied solutions aimed at supporting climate action and long-term resilience.

Event: 2nd International Conference on Recycling and Waste Management
Date(s): 28–29 September 2026
Location: Budapest
Website: https://scisynopsisconferences.com/recycling-wastemanagement/

This conference will bring together industry leaders, researchers, policymakers, and environmental advocates to discuss advancements in recycling and sustainable waste management. The event includes keynote sessions, interactive panels, and workshops aimed at promoting collaboration and practical solutions for a circular economy. It will be hosted at the Radisson Hotel Budapest.

Event: ENVIRONTEC powered by ÖKOINDUSTRIA 2026
Date(s): 7–9 October 2026
Location: Budapest
Website: https://environtec.hu/en/

ENVIRONTEC 2026 (pictured) is an international trade exhibition focused on environmental technology, waste, water, and sustainability. The event, organised by HUNGEXPO in cooperation with the Hungarian Association of Environmental Enterprises and Messe & Marketing Michael Pittscheidt, will bring together industry professionals to showcase innovations, discuss EU regulations, and explore solutions for environmental protection and sustainable development.

Event: Solarplaza Summit Hungary
Date(s): 2026 (exact dates TBD)
Location: Budapest
Website: https://www.solarplaza.com/event/solarplaza-summit-hungary/

The Solarplaza Summit Hungary 2026 will convene leading IPPs, asset owners, investors, and experts in the photovoltaic (PV) and battery energy storage system (BESS) sectors. The conference will focus on business models, investment opportunities, revenue strategies, energy trading, bankability, policy developments, and technological innovations.

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