Accelerating the transition to
industrial symbiosis, industrial-urban symbiosis
and circular economy

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.

The Knowledge Platform is now online!

Join the community

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!

Discover our new video on the Hubs4Circularity Community of Practice:
“Building Circular Industrial-Urban Ecosystems for a Sustainable Future”

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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!

CONNECT

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

INNOVATE

Discover webinars, open challenges, workshops, projects, opportunities and funding for your R&D and innovation projects!

REGISTER TO GET ACCESS
TO THE KNOWLEDGE PLATFORM
AND JOIN THE H4C COMMUNITY!

    News

    Event: “Plenary of the Industrial Symbiosis Standardisation Roadmap Working Groups” (12 November 2025)

    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…

    Hubs4Circularity Community of Practice Webinar – A Success Story from the Principality of Asturias: Wastewater Recovery

    15/08/2025

    On 15 July 2025 a successful Hubs4Circularity Community of Practice Webinar on "A Success Story from the Principality of Asturias: Wastewater Recovery" was held. The topic was how reclaimed municipal wastewater can be used to significantly reduce freshwater consumption by industry in Asturias, where industrial use is a major part of the use of drinking…

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    Events

    Hubs4Circularity Community of Practice Webinar "Analysing social infrastructure for circular sustainable transition in IS2H4C project"

    16/01/2026

    We are happy to announce the return of our H4C Community of Practice webinar series, continuing our mission to highlight cutting-edge research, practical insights, and collaboration opportunities within the fields of Industrial Symbiosis (IS) and Industrial-Urban Symbiosis (I-US). Our 2026 series begins on 16 January 2026 with a deep dive into stakeholder dynamics and resource…

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