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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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Policy case

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

Increase Awareness

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

Providing public and private education and support services at any level or for any profession, and governmental and public administration services, including judicial, regulatory, and legislative activities, taxation, defence, public order and safety, immigration services, foreign affairs and the administration of government programmes

Education and Government Services

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

Processing and producing food and beverages for consumption

Food and Beverage

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

Engage with the government on circular policies and programmes

Government collaboration

Participating in government programmes that support and advance the circular economy

Government programmes

Information campaigns

High-level changes to policy and practice (such as taxation systems, investment and procurement guidelines and criteria) that disincentivize activities that perpetuate linear economic systems, as well as vision-setting (goals, roadmaps) to catalyze
action on circularity across the city

Eliminate linear incentives and set goals and incentives for circularity

Incorporate extended use in project planning phases; create or update city policies to allow for extended use.


Design and regulate for separation and recovery

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

Governments

Current dominant, globalized food systems trigger far-reaching detrimental socioeconomic and environmental effects. As such, they struggle to meet the food demands of a growing population and face external shocks, such as resource scarcity, climate change and health crises such as the Covid-19 pandemic. 

Local governments are directly or indirectly connected to all stages of the food value chain. For this reason, it is importanto for them to leverage this strategic position and develop an initial and collective vision, setting out transformational targets, monitoring and evaluation frameworks, and key action areas and solutions urgently required to transform food systems—from food consumption and production to waste prevention and management.

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🍏  Targets and roadmaps for a circular food system

Ensure renewable, reusable, non-toxic resources are utilised as materials and energy in an efficient way

Prioritise regenerative resources

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

Utilise bio-based, reusable, non-toxic and non-critical materials

Regenerative materials

Replace freshwater with less impactful alternatives and enact water efficiency measures

Regenerative water

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

Regenerative energy

Upgrade, repair, and maintenance while in-use

Maximise lifetime of products in-use

Give products and parts another life after their end-of-use

Maximise lifetime of products after use

Ensure that biological products are properly managed and preserved

Maximise lifetime of biological products

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

Valorise waste streams - closed loop

Reuse, repurpose, and recycle waste streams within other industries

Valorise waste streams - open loop

Recover waste energy or generate fuels and energy from waste streams

Energy recovery from waste

Deliver products through business models that ensure maximum value

Product business models

Deliver services through business models that ensure maximum value

Service business models

Designing to reduce waste during production and use

Design out waste

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

Design for cyclability

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

Design for durability

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

Industry collaboration

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

Customer / consumer collaboration

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

Internal collaboration

Engage with the local community where facilities or offices are located

Community collaboration

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

Data and insights

Employ online platforms to connect and improve information sharing between stakeholders

Digital platforms

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

Alternative bio-based materials and inputs

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

Material efficiency

Using <a href="http://ec.europa.eu/growth/sectors/raw-materials/specific-interest/critical_sv" target="_blank">materials that are not considered critical</a>.

Non-critical materials and inputs 

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

Using materials that can be easily reused or recycled after use

Reusable, recyclable materials and inputs

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

Alternative water use

Enacting measures that optimise water use

Water efficiency

Converting fossil fuel based operations to electric

Electrification

Enacting measures that optimise energy use

Energy efficiency

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

Renewable energy, fuels

Providing repair services or maintenance services for products or parts

Product maintenance, repair

Providing upgrade programmes or upgrade services for products or parts of products

Product upgrade

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

Self-repair, spare part service

Extraction and reuse of parts from end-of-life products for use in new products

Part recovery

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

Refurbishment, remanufacturing, renovation

Marketplaces or services that enable the second hand sale of own-brand products

Own brand second-hand sale

Marketplaces or services that enable the second hand sale of products

Second-hand sale, distribution

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

Preservation, conservation

Managing and enriching biological products such as soil, land, etc.

Management, enrichment

Collection programmes that process products and parts for reuse or recycling within the same industry

Closed loop collection

Transforming waste products, materials for reuse within the same industry

Closed loop upcycling

Using waste materials that have been processed and recycled to produce new products within the same industry

Using closed loop recycled materials

Transforming waste products into materials and lower value products within the same industry

Closed loop downcycling

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

Open loop collection

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

Open loop downcycling

Transforming waste products, materials for reuse within other industries

Open loop upcycling

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

Using open loop recycled materials

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

Generating energy from waste

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

Processing waste into fuel

Recovering and reusing waste heat, gas, etc. for energy

Recovery and reuse of waste energy

Selling parts of modular products that can be refilled

Sale of refillable parts

Providing products through leasing, rental, or pay-per-use models instead of sales

Leasing, rental, pay per use

Providing products through sharing between consumers, customers, etc.

Peer to peer sharing

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

Providing services through a subscription plan with regular payment schemes

Subscription-based services

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

Crowd-based services

Providing services where customers are charged only when they use it

Payment per use

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

Design for minimal waste

Designing products so they use as little materials, water, energy, etc. as possible during use

Design for resource efficiency

Designing products that can easily breakdown and degrade in the environment

Design for bio-degradability

Designing products of multiple parts that can be easily disassembled

Design for disassembly

Designing products of multiple parts that can be easily exchanged

Design for modularity

Designing products to remove any barriers to recycling and enable easy recyclability

Design for recycling

Designing products with a single material type to more easily recycle them after use

Design for recycling - mono-materials

Designing products so they are able to be easily repaired

Design for repair

Designing products to be reused for the same or different purposes in multiple lifecycles

Design for reuse

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

Design for physical durability

Designing products to increase consumer’s emotional attachment and ensure longer use

Design for product attachment, emotional durability

Putting in place purchasing guidelines for procurement departments and evaluating suppliers on circular economy principles

Circular procurement

Key elements of the circular economy

<p>The City of Toronto has partnered with the National Zero Waste Council, and other Canadian cities and major food retailers on a national effort to reduce food waste. The campaign is called&nbsp;Love Food Hate Waste&nbsp;and supports the Waste Strategy’s recommendation to create a food waste reduction strategy that focuses on information and outreach programs to educate residents about the economic, environmental and social benefits of food waste reduction.</p>