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As part of the World Circular Economy Forum 2025 (WCEF2025), an impactful Accelerator Session brought together global leaders and innovators to explore how measurement, policy, and practice can collectively drive the transition to a truly circular built environment.
As part of the World Circular Economy Forum 2025 (WCEF2025), an impactful Accelerator Session brought together global leaders and innovators to explore how measurement, policy, and practice can collectively drive the transition to a truly circular built environment.
The session centered on aligning efforts to implement circular strategies that contribute to achieving a near-zero-emission, resilient built environment, setting the tone with a compelling call to action:
“We are not just building for today—we’re harvesting the future.
Our built environment should serve as a bank of materials and resources for future generations.”
Driving Circularity through National-Level Policy
The session opened with two key announcements aimed at enabling governments to accelerate circularity:
- Actions Menu of the Global Framework for Action
Developed by the One Planet Network at UNEP and aligned with Buildings Breakthrough Priority Action 2 on Demand Creation, this new tool offers practical guidance for integrating sustainable and circular public procurement into construction value chains. It empowers governments and industries to generate demand for circular, low-emission building solutions. - National Circularity Assessment Framework for Buildings
Developed by UNEP, UNOPS, and UN-Habitat with support from the Government of Finland, this groundbreaking framework provides the first comprehensive national-level methodology for measuring circularity in the built environment. Pilot programs in Senegal and Bangladesh have already yielded critical insights on material reuse potential and data availability—laying the foundation for transformative national policies.
Circularity in Practice: From Policy to Real-World Solutions
The second part of the session showcased practical solutions and tools currently driving circularity on the ground:
- 10 Whole Life Cycle Recommendations for the Buildings Breakthrough
This set of actionable recommendations helps policymakers identify scalable, replicable circular solutions. Featured case studies included:- Recommendation 8 — Prioritise Retrofitting: Renata Sampaio Ferreira Building, São Paulo, Brazil.
- Recommendation 9 — Material Circularity: Seismic Retrofitting of Heritage Structures, Lalitpur Metropolitan City, Nepal.
- Recommendation 10 — Design for Circularity: Low-cost Prefabricated Houses in Uganda, Habitat for Humanity International.
- Circularity Transition Indicators for Buildings
Developed by the World Business Council for Sustainable Development (WBCSD), this innovative tool enables project developers to measure circular performance at the building level throughout the life cycle. - CiCoSa Toolkit and Implementation Guide (UN-Habitat)
Targeting Sub-Saharan Africa, this toolkit supports localized, scalable circular construction waste management—offering a powerful example of inclusive, context-sensitive interventions.
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Key Insights from Global Experts
Throughout the session, diverse voices from around the world emphasized key priorities:
✅ Retrofitting is a highly impactful and cost-effective way to extend building lifespans, lower emissions, and reduce waste.
✅ Local circular practices already exist—such as inclusive brickmaking with recycled materials—but need stronger policy support, data, and quality assurance to scale.
✅ Circularity begins at the design stage, requiring flexibility, reuse, disassembly, and the use of renewable and recycled materials.
✅ Greater investment is needed in localized R&D to optimize upcycled material use.
✅ The importance of context-specific metrics, youth inclusion, and extended producer responsibility was also highlighted as critical to driving systemic change.
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Conclusion: Circularity is Already Happening—Now It Must Scale
This Accelerator Session made one thing clear: circularity in the built environment is no longer a distant aspiration—it is happening now in cities and communities worldwide.
However, to achieve systemic impact, what is now required is greater coordination, investment, and political will to scale these innovations rapidly and equitably.
As new measurement tools, policy frameworks, and practical solutions continue to emerge, governments and stakeholders have a clearer path forward than ever before.
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Organizers and Collaborators
The Accelerator Session was co-organized by the GlobalABC Materials Hub Circular Built Environment Working Group (Ministry of the Environment of Finland, RMIT University, Habitat for Humanity International), the One Planet Network, and the Life Cycle Initiative, in collaboration with:
UNOPS, UN-Habitat, Kenya Green Building Society, French Ministry of Ecological Transition, Ashok B. Lall Architects, Metro Arquitetos, Habitat for Humanity International, Lalitpur Metropolitan City of Nepal, WBCSD, Government of Chile, Ministry of Environment of Colombia, Asian Development Bank, Municipality of Walvis Bay (Namibia).
About Regenera Luxury
At Regenera Luxury, we believe that true luxury is regenerative—restoring the health and well-being of both people and planet. We support and promote innovations such as circularity in the built environment as a vital component of future-forward regenerative luxury hospitality and tourism. We applaud the global leadership demonstrated during the World Circular Economy Forum 2025 and call on our partners and members to champion these transformative practices within their own properties and communities.
Accelerating Circularity in the Built Environment_May 2025Download
