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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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This collection features a selection of case studies, based on the global *Circularity Gap Reports*, that can mitigate climate breakdown by reducing virgin material consumption, waste and greenhouse gas emissions. The latest **[Circularity Gap Report 2023](https://www.circularity-gap.world/2023#download)** reveals that the global economy is now only 7.2% circular and outlines how circular solutions across four sectors can bring global planetary boundaries back within safe limits. 

In the six years of the *Circularity Gap Report*, the global economy has extracted and used unprecedented amounts of materials. The first edition of the *Report *in 2018 found that global circularity was 9.1% and it has decreased every year since—leaving a Circularity Gap of over 90%. If this trend continues, we will have to find more and better solutions to combat the negative effects of climate change. This is why we have identified case studies from across the globe—based on the needs of society and planetary health—that serve as real-world examples of the circular economy in action.

Circle Economy is a not-for-profit organisation working to accelerate the circular transition. 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. With nature as our guide, we work alongside cross-sector stakeholders from academia, businesses, NGOs and governments to provide a powerful combination of practical and scalable interventions that transform circular opportunities into realities. 


To learn more about these interventions to accelerate the circular transition, read the latest [Circularity Gap Report 2023](https://www.circularity-gap.world/2023#download), as well as previous editions of the global [Circularity Gap Reports](https://www.circularity-gap.world/global).

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Global Circularity Gap Report 2023

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Article / Report

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

Increase Awareness

Direct and indirect reduction in economic costs

Cost Savings

Direct and indirect effects that increase revenues or the potential for new revenues, for example from new products, customer segments, partnerships or business models

Revenue Potential

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

Productivity

Impact on the ease of innovation, and facilitating uptake of innovations

Innovation

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

Reduce Energy Consumption

Extracting resources and processing them to produce materials for use bysociety

Materials and Fuels

Producing electrical equipment and machinery for industrial use

Capital Equipment

Producing transporation equipment and providing services for thetransportation of goods and people

Transportation and Logistics

Producing and providing business and consumer goods and services

Goods and Services

Societal Services

Producing building materials and providing services to create residential and non-residential infrastructure and real estate


Construction and Infrastructure

While resources are in-use, maintain, repair and upgrade them to maximise their lifetime and give them a second life through take back strategies when applicable

Stretch the lifetime

Utilise waste streams as a source of secondary resources and recover waste for reuse and recycling

Use waste as a resource

Consider opportunities to create greater value and align incentives that build on the interaction between products and services

Rethink the business model

Account for the systems perspective during the design process, to use the right materials, to design for appropriate lifetime and to design for extended future use

Design for the future

Use digital, online platforms and technologies that provide insights to track and optimise resource use, strengthen connections between supply chain actors, and enable the implementation of circular models



Incorporate digital technology

'Inform' increases the overall levels of awareness and builds the necessary skills and knowledge around the circular economy to foster long-term change.

Inform

Data, knowledge & information sharing

Conduct research

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

Process waste into valuable industrial inputs or consumer products; distribute processed waste to users.

Process waste and ensure its re-entry into industry at its highest value

The most common and visible problems associated with vehicle use and transportation in cities are road accidents, air pollution, or traffic congestion. However, vehicles also present a problem at the end of their life. They continue to take up space in landfill (although sometimes in a compacted form), and even if fossil fuel vehicles are phased out, the shift to electric vehicles in the short term could lead to more internal combustion engine vehicles being scrapped, and to a mountain of battery waste in the longer term.

High-value reuse, and recycling of vehicles and their components, is key to a sustainable future of mobility. When reuse is not an option, advanced recycling technologies can extract valuable raw materials, such as lithium and cobalt, before batteries are disposed of. This would not only reduce the burden on incinerators and landfills, but could provide a new, local and circular source of critical materials for the automotive industry. 

Although only few initiatives exist at the municipal level to support high-value reuse and recycling of vehicle components, many initiatives are being supported at national level and businesses are taking the lead in implementing pilot projects across Europe. In the future, local governments could support the recycling of materials by implementing environmental standards for pollution reduction, dismantling, crushing and shredding of vehicles, as well as financial incentives (such as tax rebates and subsidies.) for remanufacturing of cars and part recovery. Alternatively, cities could ban the landfilling of scrap metals and batteries without any previous treatment. Collaboration and engagement with local businesses can help local governments to accelerate research and disseminate knowledge about circular economy approaches to end-of-life vehicle management. 


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🚌  Recycling of vehicle components

A considerable resource footprint is taken up by our need for mobility. In particular, two resource types are used: the materials to build transport technologies and vehicles like cars, trains and airplanes; plus, predominantly, the fossil fuels burned to power them.



Mobility

- Set fiscal and financial incentives for remanufacturing, refurbishing, repairing or upgrading vehicles
- Reuse of motor vehicle components
- Durable vehicle design and production
- Optimal vehicle repair and maintenance

Saving: 1.23 Gt emissions and 2.18 Gt material use

🚗 Vehicles durability

Cycle strategies aim to cycle and reuse materials at their highest value: they maximise the volume of secondary materials re-entering the economy, ultimately minimising the need for virgin material inputs and therefore also narrowing flows. Of course, virgin materials will always be needed to a degree: all materials degrade and can’t be cycled infinitely, use energy, and require blending with virgin materials to maintain strength and functionality.

Cycle

Engage with the local community where facilities or offices are located

Community collaboration

Designing products that can easily breakdown and degrade in the environment

Design for bio-degradability

Replace energy sources with less impactful alternatives and enact energy efficiency measures

Regenerative energy

Selling parts of modular products that can be exchanged or replaced

Sale of exchangeable parts

Working together with stakeholders and parties in other unrelated industries to implement circular economy strategies and opportunities

Cross-industry projects, pilots

Designing to enable multiple uses and lifecycles of a product and its materials

Design for cyclability

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

Advocacy for circular economy policy

Using renewable energy like solar, wind, etc. or renewable fuels like biomass, etc.

Renewable energy, fuels

Designing products of multiple parts that can be easily exchanged

Design for modularity

Working together with industry peers to engage in business activities or exploratory projects that advance the circular economy

Joint industry ventures, projects, pilots

Providing products through sharing between consumers, customers, etc.

Peer to peer sharing

Transforming waste products into materials and lower value products within other industries

Open loop downcycling

Providing DIY repair kits or spare part programmes for enabling self-repair

Self-repair, spare part service

Engage and guide customers and consumers to ensure circular use of products

Customer / consumer collaboration

Transforming waste products, materials for reuse within the same industry

Closed loop upcycling

Designing to reduce waste during production and use

Design out waste

Allowing customers to alter and modify certain features of the product

Customisation

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

Dialogue with internal stakeholders

Generating energy from waste through processes such as anaerobic digestion, gasification, incineration, etc.

Generating energy from waste

Industry peers to industry peer collaboration to create joint value and identify synergies

Industry collaboration

Preserving and conserving biological products such as food, forests, etc.

Preservation, conservation

Working together with the community and engaging them in the company operations

Joint product development

Reuse, repurpose, and recycle waste streams within the same industry

Valorise waste streams - closed loop

Replacing freshwater use with rainwater, fogwater, seawater, etc.

Alternative water use

Initiatives with disadvantaged communities, minorities, people distanced from the labour market

Give-back programmes

Processing waste streams into fuels such as biogas, biofuels, pellets, etc.

Processing waste into fuel

Using bio-based materials such as bioplastics, mushroom-based materials, etc.

Alternative bio-based materials and inputs

Using waste materials that have been processed and recycled to produce new products within other industries

Using open loop recycled materials

Employ technologies to gather and analyse data to provide insights on resource use

Data and insights

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

Design for minimal waste

Takeback and return of products from customers after end-of-use

Takeback programmes

Transforming waste products, materials for reuse within other industries

Open loop upcycling

Upgrade, repair, and maintenance while in-use

Maximise lifetime of products in-use

Enacting measures that optimise water use

Water efficiency

Designing products that are made to last and to ensure longer use

Design for durability

Installing sensors to gather data from products and services to identify, enable and/or implement circular strategies (eg. effective resource use & logistics planning, circular business models & design)

Sensors, monitoring systems

Decentralised services that rely on the power of the crowd or the community

Crowd-based services

Marketplaces or services that enable the second hand sale of products

Second-hand sale, distribution

Engage internally to guide employees and facilitate greater knowledge sharing between internal divisions

Internal collaboration

Collection programmes that process products and parts for reuse or recycling within other industries

Open loop collection

Engage with the government on circular policies and programmes

Government collaboration

Engaging in discussions with customers to educate and raise awareness of the circular economy and explore circular opportunities together

Customer dialogue, marketing 

Integrating circular economy thinking into employee evaluations that are tied to professional compensation

Financial incentives tied to circular economy

 Develop research, structure knowledge, encourage innovation networks and disseminate findings with integrity


Strengthen and advance knowledge

Designing products so they are able to be easily repaired

Design for repair

Reuse, repurpose, and recycle waste streams within other industries

Valorise waste streams - open loop

Employ online platforms to connect and improve information sharing between stakeholders

Digital platforms

Using <a href="https://echa.europa.eu/information-on-chemicals" target="_blank">materials that are not toxic or hazardous</a>.

Non-toxic materials and inputs

Integrate principles of circularity into primary, secondary and tertiary curriculum and conduct workplace trainings

 Education and Curriculum

Enacting measures that optimise energy use

Energy efficiency

Recover waste energy or generate fuels and energy from waste streams

Energy recovery from waste

Converting fossil fuel based operations to electric

Electrification

Key elements of the circular economy

The Dutch Ministry of Infrastructure and Environment and the RACE Program (Realising the Acceleration towards a Circular Economy) consortium have put forward tools, guidelines, and frameworks to educate municipalities, businesses, consumers about high-value reuse and recycling of products, including cars and vehicles components. The initiative identified knowledge, technology, market, legal and culture barriers and developed a Product Reuse Framework to identify opportunities.&nbsp; With this report of the RACE Theme 2 program, Circle Economy and MVO Nederland have defined high-value reuse and developed the beginnings of tools and resources that can be disseminated to the broader business community, society, and policy makers.