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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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Rampant material extraction is pushing the ecosystems of Latin America and the Caribbean (LAC) to their limits. Over 11% of global raw materials are extracted within the region, yet it represents only about 8% of the world's population.

[*The Circularity Gap Report* (CGR) Latin America and the Caribbean](https://www.circularity-gap.world/lac), a first of its kind, demonstrates how the region can leverage the circular economy to tackle systemic inefficiencies in satisfying societal needs, conserve its unique natural wealth, and improve its people’s well-being.

To devise pathways for a circular transition, the report analysed the sectors where circular interventions could yield the most positive impact—environmentally, economically, and socially. This entails shifting to a circular food system, building a circular built environment, advancing circular manufacturing, transforming the energy system, reducing waste generation, and improve waste cycling.

[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 Circularity Metrics that measure the state of the global and national economy and identify key levers to transition to circularity. 

Latin America Collection

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Policy case

Impact on the availability of resources as well as their effect on living organisms, ecosystems, and components of the environment.

Ecological Impact

Impacts on the social fabric of the community and well-being of the individuals and families.

Social Impact

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

Jobs

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)

Producing agricultural products and processing them into food and beverageproducts for consumption

Agri/Food

Extracting resources and processing them to produce materials for use bysociety

Materials and Fuels

Societal Services

Providing water and sewage services, including water collection and distribution, water treatment systems and sewage treatment facilities

Water and Sewage

Collecting waste from households and businesses by means of refuse bins, wheeled bins, containers, etc., and providing treatment, incineration, materials recovery and reclamation, and disposal of hazardous and non-hazardous waste

Waste Management

Producing and refining oil, gas, and other consumable fuels related to the generation of energy

Consumable Fuels

Processing and producing food and beverages for consumption

Food and Beverage

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

Use waste as a resource

Work together throughout the supply chain, internally within organisations and with the public sector and communities to increase transparency and create joint value

Team up to create joint value

Reuse, repurpose, and recycle waste streams within other industries

Valorise waste streams - open loop

Engage with the government on circular policies and programmes

Government collaboration

Transforming waste products, materials for reuse within other industries

Open loop upcycling

Participating in government programmes that support and advance the circular economy

Government programmes

'Manage' influences the use and function of physical and material elements within the urban environment. 

Manage

Infrastructure

Develop infrastructure to support resource cycling

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

Ensure that household and business waste is collected and appropriately sorted (by type, label, etc.) to allow for maximum recovery of value.


Collect and sort waste to facilitate recovery

The circular potential of organic wastes is dependent on the quality and low contamination rate of the residual stream that is collected. Food and organic wastes are difficult to sort and separate post-collection, and as such, collecting organic wastes through a mixed collection are often limited to incineration or landfill. Therefore, collecting organic wastes through a separate collection system is key to unlock potential high-value management practices, for example, composting and anaerobic digestion.

Due to the strong influence over the operation of local waste management systems, local governments have a key role in the provision of separate organic waste collection systems throughout the city. Collections systems can vary to suit the specific characteristics of particular neighbourhoods and areas of a city. For example, areas with detached homes have more space for bins, while for apartments with less space, a communal receptacle may be more appropriate. Communication campaigns can help to raise awareness and encourage participation of residents to separate their organic wastes. 


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🍏  Separate organic waste collection infrastructure

The food system nourishes populations and employs 50% of the global workforce, but:
- it currently drives a quarter of the overshoot on the climate change planetary boundary due to its greenhouse gas (GHG) production, 
- animal farming alone uses over one-quarter of all land, equivalent to the size of the Americas,
- nearly a quarter of freshwater resources are lost due to rampant food waste, and
- it is the single largest driver of biodiversity loss.

A circular food system must address the whole value chain, from production to consumption to waste management. The four key solutions for the food system are:
- Put healthier, satiating foods first: Prioritise satiating and healthy foods with a lower environmental impact—ideally shifting calories from meat, fish, and dairy towards cereals, fruits, vegetables, and nuts.
- Go local, seasonal, and organic: Prioritise the production and consumption of local, seasonal, and organic produce (sometimes in combination with GMO to reduce pests and disease loss on crops), which can lead to a significantly reduced need for chemical inputs, fuels, and processing services that contribute to environmental impacts.
- Mainstream regenerative agriculture: Scale up agricultural practices that regenerate ecosystems, recirculate nutrients and sequester carbon by design. 
- End avoidable food waste: Minimise food loss and valorise waste following the food waste hierarchy along the supply chain and at the consumer level through better management of transport and storage, more refrigeration and smart planning, and technology at the consumer and food service levels.



🍏 Food Systems

Businesses

Governments

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

Impacts

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Industries

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A framework of policy instruments that enabled and encourage the transition to the circular economy

Policy Instruments

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A framework of policy instruments that enable and stimulate the transition to the circular economy

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

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

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Based on the work of [Bocken et al. (2016)](https://www.researchgate.net/publication/309699661_Product_design_and_business_model_strategies_for_a_circular_economy), the Four Flows Framework serves as a simple framework for managing resource flows in a circular economy by using less (Narrow), using for longer (Slow), using again (Cycle), and using clean, regenerative materials and energy (Regenerate).

These different principles of circular economy can be applied to our socioeconomic metabolism: we can design stocks like buildings, infrastructure, machinery, and vehicles to be rich resource mines for the future, and design manufactured goods and consumables to be cycled and made regenerative. Furthermore, the focus must also centre on getting more value out of fewer materials. Achieving the aims of a circular economy—minimising material use, regenerating the Earth, and preventing material losses—can be done through these four key strategies mentioned above.

Source: Circle Economy. (2023). *[The circularity gap report 2023](https://www.circularity-gap.world/2023)* (p.22). Amsterdam: Circle Economy. 

Four Flows Framework

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                In a constantly urbanizing world, city governments have come to play a crucial role in urban food policies. From among the challenges facing cities, ensuring food security for their residents is vital, and this must be achieved keeping in mind both the balance to be found between urban and rural areas and the sustainability of food systems. Public commitments to this challenge have been made any number of times since the 1990s, but it was at the end of 2016 that access to “safe, sufficient, and adequate food” became part of the new urban agenda adopted in Quito, Ecuador, during the Habitat III Conference. Work by Agence Française de Développement (AFD) to promote urban food security currently takes on several forms. For nearly 30 years, AFD has been working alongside emerging and developing cities, particularly in Africa, to develop and upgrade their commercial facilities. Among the cities that have benefited fromthe support are Mahajanga in Madagascar, Ouagadougou in Burkina Faso, and Cotonou in Benin. At the same time, the urban development projects financed by AFD have been gradually integrating urban agriculture. These often have multiple objectives that are economic, social, and environmental in nature. In Porto Novo, Benin, for example, urban agriculture acts both as an income-generating activity for the poorest and as a means for sustainably developing its lagoon area. To optimize the cycle of materials, AFD is also paying special attention to the reduction–and where applicable upcycling–of waste, be it organic matter (which can be reused as fertilizer) or energy. For example, this year AFD started up an energy-upcycling project in the sector of restaurant food waste in the city of Shaoyang, China. This project will help to produce 17,220 MWh/ year of energy and reduce greenhouse gas emissions (70,000 tCO2/year). For several years, in order to better guide its partners in defining and implementing this new aspect of local public policy, AFD has been thinking more specifically about food for cities. This has taken on concrete form
through a research program on urban supply systems and through the present publication, which stems from deliberations following the Urban Food Policies symposium organized by the UNESCO Chair in World Food Systems and the French Agricultural Research Centre for International Development (Cirad) in late 2015, with the support of AFD and other organizations.
                  
               

   Water Transportation Air Quality Communities Rio de Janeiro State  The Reuse of Vegetable Oils in the State of Rio de Janeiro Program, or Prove (for the Portuguese-language acronym), was created in 2008 by the Secretary of State for the Environment (SEA) in order to stimulate the collection of used cooking oil and its reuse in the production of soap and alternative sources of energy such as biodiesel. Currently, most vegetable oil is poured into drains, polluting the water system and impairing the pipes of buildings and sewage treatment networks. In regions where there is no collection system, the oil goes directly into rivers and lakes, significantly increasing pollution and environmental degradation. This practice is detrimental to the population, to sanitation utilities, and to governments.  Prove encourages the creation of cooperatives for selective collection of solid and liquid waste (in this case, the cooking oil) and helps generate jobs and income for organized collectors. The program also involves dialogue with the private-sector, which in some cases uses oil collected as fuel in their establishments, while others produce soap.  How to Apply this Project In 2011, Prove helped collect 5.5 million liters of oil through 45 affiliated cooperatives established in several municipalities of Rio de Janeiro. In Duque de Caxias, just two cooperatives contributed about 250,000 liters per month.  SEA works with the State Environmental Institute (INEA) to implement this program, working to avoid water pollution and environmental degradation from the dumping of used cooking oil. Specifically, these institutions encourage the collection of used cooking oil for reuse in the production of soap and of alternative energy sources such as biodiesel through support for the creation of cooperatives.  Contact Information  Rio de Janeiro State Secretariat of Environment Phone: +55 (21) 2598-9242 or +55 (21) 2223-2664 Email: prove@ambiente.rj.gov.br 
 Environmental, Social, and Economic Benefits Through Prove, the State intends to decrease carbon emissions, improve water quality, decrease pressure on natural resources, and create income-generating jobs for low-income workers through cooperatives.  

Rio de Janeiro

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Government of Rio de Janeiro

<p>In Rio de Janeiro, Brazil, a municipal program organizes the collection of used cooking oil&nbsp;by cooperatives, which is then recycled by companies that make soap and biodiesel. This program upcycles millions of litres of oil every year while creating local jobs.</p>