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Circle Economy and ICLEI have partnered up to initiate the go to knowledge hub of case studies about the circular economy in cities. The Cities Collection is a repository of case studies that demonstrate the role of cities in the circular transition, and includes policies, business cases and research articles. Cases in the Collection flow into an ecosystem of digital products which support users in transitioning cities to circularity, for example [Ganbatte](https://ganbatte.world/cities/) and <a href="https://circulars.iclei.org/" target="_blank">ICLEI Circulars</a>, both part of the <a href="https://circulars.iclei.org/circle-lab-for-cities/" target = _blank">Circle Lab for Cities Programme.</a>

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Circular Cities

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Article / Report

Impact on the quantity or quality of jobs, and shifts in the labour market

Jobs

Direct and indirect reduction in economic costs

Cost Savings

Efficiency gains on operations or transactions either through cultural or technological shifts

Productivity

Scalability

Reduced green house gas emissions released into the biosphere

Reduce Emissions (SDG13)

Reduced use of virgin materials and/or an increase of the use of secondary and bio-based materials

Reduce Material Consumption (SDG12)

Minimise waste through diversion: Instead of sending waste to landfill, it is redirected into other industrial processes for handling, treatment, recycling, recovery, or reuse in various forms. 

Minimise waste through design: At the outset of a process of project, plan and design such that there is zero waste or minimal waste during production, use, and at end of life. 

Minimise Waste (SDG12)

Reduced use and withdrawal of water and rate of recycling and reuse of water

Save Water (SDG6)

Reduced use of fossil fuel energy sources and/or increased use of renewable energy

Reduce Energy Consumption

Providing residential and non-residential construction services, such as architectural, engineering, planning, real-estate, contracting, and inspection services

Construction and Real Estate Services

Producing building materials and finished and semi-finished building products for construction

Construction Materials and Products

Redesign systems to lay the foundation for circular activities and enable the transition to a circular economy 

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Rethink

**Harmonize with nature** by promoting infrastructure, production systems and sourcing that allows natural ecosystems to thrive




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Regenerate

Use longer and more often by extending and intensifying use of existing resources, products, spaces and infrastructure

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Reuse

Do better with less by using and supporting infrastructure, processes and products that are designed to minimize material, water and energy use and waste generation from production to end of use


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Reduce

Eliminate waste by maximizing the recovery of resources at the end of the use phase so that they can be reintroduced into production processes


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Recover

The built environment, including housing, commercial buildings, and the necessary infrastructure for mobility, is essential for our livelihoods, but:
- the extraction of minerals used to produce construction materials is responsible for a quarter of global land use change,
- approximately 40% of global GHG emissions can be attributed to buildings’ construction, use and demolition, and
- construction and demolition processes drive nearly one-third of all material consumption. 

Making the built environment more circular must prioritise a heavy reduction in material use—while also closing the loop on materials and bringing secondary and renewable material choices to the fore. Our four key solutions for the built environment are:
- Make the most of what already exists: Make the most of existing materials by reusing, repurposing, upgrading and renovating following circular approaches. Where new builds are needed, use secondary materials and be as efficient as possible with urban planning solutions that follow circular design principles so that buildings can be reused, repurposed, and easily disassembled in the future.
- Be as energy efficient as possible: From the design phase, utilise circular strategies to create material- and energy efficient buildings. Couple these designs with a rollout of clean energy solutions, and prioritise energy-efficient appliances and retrofitting. 
- Utilise secondary materials: Maximise the high-value reuse of buildings and components where possible. Ideally, enable the utilisation of construction and demolition outputs and ensure that as much of it as possible is recycled to avoid the need for virgin materials, such as sand and gravel.
- Prioritise circular materials and approaches: Transition to using renewable wood, timber or cross-laminated timber instead of steel and concrete, or move to other locally available materials. Utilise mainstream modular construction and prioritise lightweight frames and structures to reduce cement and steel use, as well as green roofs where possible.



🏢 Built Environment

Businesses

Communities

Governments

Archetypes

CE Materials

Impacts

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Industries

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Materials

Nace Sectors

Topics

Whilst no two countries are the same, there are still obvious similarities between some of them, with discernible development patterns and parallels in evidence. Common problems and shared solutions help place unique country identities and individual issues in context.

Whilst this classification is far from clear-cut and exhibits some overlap, it does underline how the discourse on transitioning to a circular economy needs to account for both differences and commonalities, if we are to arrive at a more strategic and instructive analysis. It also allows to highlight a set of key themes that are likely to be central to the countries that fall under the respective profiles. 

Country profiles (Build, Grow, Shift)

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A framework to distinguish between different country profiles and their circular transition needs.

Browse case studies by type of implementing stakeholder.

Implementing stakeholders

80+ circular strategies for product development 
organised hierarchically into three tiers
with tier 1 and tier 2 based on the Key Elements Framework

DISRUPT

The Circular City Actions Framework provides urban changemakers with five complementary strategies they can use to start working towards a more circular system. 

The framework is action-based to provide users with concrete strategic directions and showcase the desired outcomes of each strategy. 
The framework consists of five complementary **strategies**, under which **sub-strategies** provide further detail. Finally, each sub-strategy consists of a diversity of tangible **solutions** which are framed in relation to key thematic areas. 

Note: solutions are currently focused on:
- 🍏 **Food systems**
- 🏢  **Built environment**
- 👕📱  **Consumer goods**
- ⚡ **Energy Systems**
- 🚌 **Mobility Systems**
- 💧 **Water Systems**

More thematic areas are coming soon...

'Click through each of the five strategy cards below to explore the framework and circular economy case studies in more depth!'



This framework was developed in collaboration with ICLEI, Metabolic and Ellen MacArthur Foundation with support from the MAVA Foundation. Read more about it [here]( https://circulars.iclei.org/action-framework/). 



Circular City Actions Framework

An action-based framework for local governments working towards circular cities

Thematic Areas

City Stakeholders

  Our research outlines key principles of the circular economy, using the Ellen MacArthur Foundation’s ReSOLVE framework to explore and contextualise practical applications in the built environment.  We identify how the circular economy can benefit Arup, our clients, and the built environment sector. We reflect on the economic, social and environmental advantages of employing circular principles. And we propose strategies to progress our offering, deliver new services, engage a wider network of stakeholders and unlock opportunities for all parties in the value chain. We also consider how circular economy practices can be scaled up from the individual component or asset level for city, regional, and even global economies. We believe the circular economy can enable Arup to tackle the complex nature of the built environment through multidisciplinary working, and that it can drive a shift towards more sustainable forms of economic growth, urban life and value creation.

As the Ellen MacArthur Foundation’s knowledge partner for the built environment we are sharing knowledge and collaborating with our CE100 partners to accelerate the shift to a circular economy.

We’re a charity committed to creating a circular economy, which is designed to eliminate waste and pollution, circulate products and materials (at their highest value), and regenerate nature. It’s an economic system that delivers better outcomes for people, and the environment.

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Ellen MacArthur Foundation

Arup is an independent firm of designers, planners, engineers, architects, consultants and technical specialists, working across every aspect of today’s built environment.

ARUP

The circular economy model aims to decouple economic growth from resource consumption. Arup's research outlines key principles of the circular economy to explore and contextualise practical applications in the built environment.

Circular Economy in the Built Environment

Business case

Enacting measures that optimise material use such as 3D printing, etc.

Material efficiency

Activities to clean, decorate, and restore products back to working condition for original or new purposes

Refurbishment, remanufacturing, renovation

Selling high quality, long-lasting products

Sale of durable, long-lasting goods

Selling parts of modular products that can be exchanged or replaced

Sale of exchangeable parts

Designing products so they produce as little waste as possible during production

Design for minimal waste

Engaging in discussions with government bodies and policymakers to push for regulations that support the circular economy

Advocacy for circular economy policy

Facilitate discussions and meetings between internal team members to identify circular opportunities

Dialogue with internal stakeholders

Provide guidance or professional training to educate employees to use circular economy principles

Training on the circular economy

Make collected and sorted recyclables available for use by citizens, small businesses up to large scale industrial processes. 

Use recyclables

Other

The principles of a circular economy concern designing out waste, regenerating ecosystems and keeping items in use. Decoupling the economy from material flows—improving the rate of resource productivity faster than the economic growth rate—is also a consistent guide. By evolving with the growing number of applications of circular economy principles, and consolidating these strategies across thematic areas, Circle Economy’s Key Elements Framework (KE) renders the elements of the circular economy salient and serves as a basis to derive contextual strategies and interventions. 


The Framework consists of:
- Core Elements: Activities directly handling product or material flows; and uniquely,
- Enabling Elements: those that remove obstacles for core actors.


Key elements of the circular economy

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Circle Economy's framework of strategies and activities that define the circular economy

Urban Opportunities

  This research jointly written by Arup and BAM explores ways Circular Business Models (CBMs) would provide added benefits throughout the value chain in construction.
By highlighting the value proposition to all stakeholders, it is intended that more companies will see the benefit of a built environment based on the circular economy. Circular Business Models cannot be achieved without intervention, as in today’s economy there are numerous examples of where it is currently perceived as more cost effective and convenient to dispose of resources after their first use rather than re-use them. By taking a systemic view across the whole life cycle of assets, using new technologies and applying advance design approaches, additional value could be created. This value will demonstrate an economic business case for adopting CBMs, as well as providing wider global benefits from a financial, social and environmental standpoint. Funders, owners and occupiers will be fundamental to driving a ‘circular built environment’, by choosing to adopt alternative development strategies, ownerships structures and operations models. However architects, designers, engineers, suppliers, contractors and facilities managers will have a crucial role in creating circular solutions to facilitate a move to CBMs.

The content of this report is applicable to the built environment as a whole, but many of the examples cited focus on commercial building developments. The general principles are the same for other project types, i.e. infrastructure/PPP, although the use periods, ownership models and supply chain interactions differ accordingly.

Royal BAM Group nv is a construction firm with operating companies in five European markets (the Netherlands, Belgium, the United Kingdom, Ireland and Germany). BAM’s operating companies are active in the business lines Construction and Property, Civil engineering, as well as in Public-private partnerships.

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This research jointly written by Arup and BAM explores ways Circular Business Models (CBMs) would provide added benefits throughout the value chain in construction.

Circular Business Models for the Built Environment 

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This collection has been built by a community of passionate researchers, students, and industry professionals as part of <a href="https://worldcirculartextilesday.com/" target="_blank">World Circular Textiles Day</a> (WCTD). 


World Circular Textiles Day takes place every year on 8th October. Our vision is to galvanise the collective ambitions and goals of people, organisations and businesses to reach a fully circular textiles world by 2050. Our mission is to provide a framework for circularity stakeholders to develop and deliver a collaborative, evolving roadmap and to chart circularity’s momentum annually from the 8th of October until 2050.

What does fully circular by 2050 mean?
- Shared textile resources, in the form of products and raw materials, are kept in **continual circulation**.
- Virgin resources are **replaced with circular materials**.
- Dignity, equity, and equality for the **people** involved in all parts of the circular value chain.

We need to know where we stand today to chart how to get to 100% Circularity by 2050. What circular activity is currently happening in the textiles and apparel industry, and where in the world is it happening? The WCTD Collection aims to answer this question by building the world’s largest digital library of circular textiles case studies. 

World Circular Textiles Day is proud to be supported by our 2022-23 Circular Hero Partners:
[Lenzing](https://www.lenzing.com/), [Texaid](https://retailsolutions.texaid.com/), [Bank & Vogue](https://www.bankvogue.com/), [Usha yarns limited](https://ushayarns.com/), [The Conduit](https://www.theconduit.com/), and [Asia Pacific Rayon](https://www.aprayon.com/en/)

## Want to contribute to the WCTD Collection? Sign up and add your circular textiles activities.

World Circular Textiles Day

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This collection features a selection of case studies, mainly based on the [2024 Circularity Gap Report](https://www.circularity-gap.world/2024). 

In this year’s Report, we shift from exploring the what to the how: exploring the different ways that we need to ‘change the rules of the game’ and create a set of conditions that discourage the overshoot of planetary boundaries and ‘undershoot’ of human development. This process has resulted in us spotlighting 12 of the original 16 solutions, highlighting the country profile that they are most relevant to, as well as placing people at the centre of this story for the first time. Based on extensive interviews and desk research, this Report aims to show governments and industry leaders that if they want to turn theory into action and scale an economy that delivers on needs within the safe limits of the planet, they need to dismantle harmful entrenched processes and align enabling elements. 

[Circle Economy](https://www.circle-economy.com/) is a global impact organisation with an international team of passionate experts based in Amsterdam. We empower industries, cities, and nations with practical and scalable solutions to put the circular economy into action. Our vision is an economic system that ensures the planet and all people can thrive. To avoid climate breakdown, our goal is to double global circularity by 2032. 

Through the *Circularity Gap Reporting Initiative*, our mission is to deliver an annual global Circularity Metric that measures the state of the world economy and identifies key levers to transition to global circularity. 

To learn more about these interventions to accelerate the circular transition, read the [latest Circularity Gap Report 2024](https://www.circularity-gap.world/2024), as well as previous editions of the global [Circularity Gap Reports](https://www.circularity-gap.world/global).

Global Circularity Gap Report 2024

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Policy case

Impact on increased knowledge and understanding as a result of the case study

Increase Awareness

Impact on the health and happiness of human populations

Well-being

Contribution to social parity, or impact on social disparity

Equality

Producing textile and leather products and processing them into apparel and accessories

Fashion and Textiles

Producing machinery for mining, construction, industrial, and agricultural use, such as heavy duty trucks, rolling machinery, earth-moving and construction equipment, farm machinery, commercial printing and presses, machine tools, compressors, pollution control equipment, elevators, escalators, insulators, pumps, etc., including their related parts

Machinery

Producing electric cables and wires, power-generating equipment, including solar modules, motors, power turbines, as well as electronic equipment and instruments, including computer chips, communication equipment, analytical instruments, lasers, display screens, point-of-sales machines, security system equipment, and healthcare equipment

Electrical and Electronic Equipment

Designing products to resist damage and wear, and serve a long and useful life.

Design for physical durability

Participating in government programmes that support and advance the circular economy

Government programmes

Data, knowledge & information sharing

Increase standardised data collection

Research and facilitate new technological developments to aid the transition to a circular economy.

Research and Development

Conduct research

Roadmaps and strategies and targets

Monitoring & enforcement

Review and update regulation

Raise awareness and run information campaigns about  strategies for and impacts of the circular economy in different contexts.

Communication and awareness

Compact city development

Performance standards

Technology standards

Build countries consume 13% of the global material footprint, while they account for almost 50% of the population. 

Examples include countries in Sub-Saharan Africa and South Asia such as: 
- Bangladesh
- Ethiopia
- Nigeria
- Pakistan
- The Philippines
- Some small island states, ...

Minimal contribution to the overshoot of planetary boundaries: these countries contribute 20% of land use change, 30% of
freshwater use, 23% of phosphorus emissions to soil, and 11% of nitrogen emissions.

To find out what country profile your country belongs to, explore [this interactive story](https://circularity-gap.world) and search for your country on the final map.

Build

**Promote sustained, inclusive and sustainable economic growth, full and productive employment and decent work for all**

![8..JPG](https://goldilocks-images.s3.eu-west-1.amazonaws.com/8_e33005cb08.JPG)

Progress towards achieving SDG8 has been challenging and the world is far from reaching most of the targets. The lingering effects of COVID-19, cost-of-living crises, trade tensions, uncertain monetary policy paths, rising debts in developing countries, and the war in Ukraine can each significantly set back global economic growth. Combined, these crises are placing the global economy under a serious threat. Global real GDP per capita is forecast to slow down in 2023, putting at risk not just employment and income but also advances inequitable pay for women and decent work for young people. 

With governments today seeking effective ways to lead their nations out of these related crises whilst also taking into account these planetary boundaries, green economy (in its various forms) has been proposed as a means for catalysing renewed national policy development and international cooperation and support for sustainable development. The concept has received significant international attention over the past few years as a tool to address the 2008 financial crisis as well as one of two themes for the 2012 UN Conference on Sustainable Development (Rio+20). This has resulted in a rapidly expanding literature including new publications on green economy from a variety of influential international organisations, national governments, think tanks, experts, non-government organisations and others.

In parallel, tourism is one of the world's fastest-growing industries and an important source of foreign exchange and employment, while being closely linked to the social, economic, and environmental well-being of many countries, especially developing countries. Maritime or ocean-related tourism, as well as coastal tourism, are for example vital sectors of the economy in small island developing States (SIDS) and coastal least developed countries (LDCs). 
The World Tourism Organization defines sustainable tourism as “tourism that takes full account of its current and future economic, social and environmental impacts, addressing the needs of visitors, the industry, the environment and host communities".

Finally, this goal entails decent work, employment creation, social protection, rights at work and social dialogue to be represented as part of integral elements of the new 2030 Agenda for Sustainable Development. Furthermore, crucial aspects of decent work are broadly rooted in the targets of many of the other 16 goals.

Achieving SDG8 will require a wholesale reform of our morally bankrupt financial system in order to tackle rising debts, economic uncertainties, and trade tensions, while promoting equitable pay and decent work for young people.

Sources: [https://sdgs.un.org/goals/goal8](https://sdgs.un.org/goals/goal8)
[https://sdgs.un.org/topics/green-economy](https://sdgs.un.org/topics/green-economy)
[https://sdgs.un.org/topics/sustainable-tourism](https://sdgs.un.org/topics/sustainable-tourism)
[https://sdgs.un.org/topics/employment-decent-work-all-and-social-protection](https://sdgs.un.org/topics/employment-decent-work-all-and-social-protection)

8. Decent work and economic growth

Promote sustained, inclusive and sustainable economic growth, full and productive employment and decent work for all

Following the Rana Plaza disaster in 2013, ARUP were commissioned to design and test a rapid structural assessment methodology of the structural safety of textile factories in Bangladesh, lead the implementation and train local engineers to ensure it is used correctly. To date, ARUP’s methodology has been used to inspect 3,700 textile/garment factories in Bangladesh.&nbsp;