Hubs4Circularity are socio-technical ecosystems for full scale industrial symbiosis, industrial-urban symbiosis and circular economy closing energy, resource and data loops at regional scale. They are an important building block for achieving the climate neutrality targets by 2050.
Become part of the European Community of Practice for Hubs4Circularity which connects actors from industry, regions and cities, H4C initiatives, and research and development organizations who are interested in sharing knowledge, experiences, tools and materials to progress faster towards industrial and industrial-urban symbiosis and circular value chains.
Join us and discover resources, opportunities and events to build up your skills, learn from each other, and develop your local hub!

Get access to up-to-date knowledge on how to reduce the environmental impact of regions and industries: best practices, guidebooks, project results, technologies for circularity, patents, educational materials!

Discuss, plan, share! Interact with peers and innovators and work together to tackle circular economy challenges!

Discover webinars, open challenges, workshops, projects, opportunities and funding for your R&D and innovation projects!
21/01/2026
How do stakeholder networks shape Hubs4Circularity (H4C)? How can information flows be managed more effectively to support the transition to a circular economy? On 16 January 2026, our Hubs4Circularity Community of Practice webinar brought together researchers and practitioners to explore the social dynamics and management in Industrial Symbiosis (IS) and Industrial-Urban Symbiosis (I-US) projects. The…
13/11/2025
On 12 November 2025, the Hubs4Circularity Community of Practice team was at an event organized by the RISERS Project – the “Plenary of the Industrial Symbiosis Standardisation Roadmap Working Groups”, a key element contributing to a broad range of EU policy initiatives: Circular Economy Action Plan EU Standardisation Strategy Waste Framework Directive Ecodesign for Sustainable…
10/02/2026
The webinar "How to start a Circular Hub? Insights from Cities and Industries" on 10 February 2026 brings together different actors who are exploring or implementing Industrial–Urban Symbiosis (I-US) solutions. The objective of the webinar, organised by the Hubs4Circularity Community of Practice and the EU project REDOL, is to create a space where organisations can…
H4C Europe is funded under grant agreement N°
101058416.
H4C ECoP is funded under
grant agreement N° 101058656.