Circular Economy

A circular economy is a regenerative system in which resource input and waste, emission, and energy leakage are minimised by slowing, closing, and narrowing energy and material loops. This can be achieved through long-lasting design, maintenance, repair, reuse, remanufacturing, refurbishing, and closed recycling loops.[1] This is in contrast to a linear economy which is a 'take, make, dispose' model of production.[2]

A major argument in favour of the circular economy approach is that achieving a sustainable world does not require changes in the quality of life of consumers, nor it requires loss of revenues or extra costs for manufacturers and other economic agents. The argument is that circular business models can be as profitable as linear models and allow consumers to keep enjoying similar products and services.[]

To achieve models that are economically and environmentally sustainable the circular economy focuses on areas such as design thinking, systems thinking, product life extension, and recycling.[]

One example of a circular economy model is the implementation of renting models in traditional ownership areas (e.g. electronics, clothes, furniture, transportation). Through renting the same product to several clients, manufactures can increase revenues per unit, thus decreasing the need to produce more to increase revenues. Recycling initiatives are often described as circular economy and are likely to be the most widespread models.[]

Scope

The circular economy includes products, infrastructure, equipment and services, and applies to every industry sector. It includes 'technical' resources (metals, minerals, fossil resources) and 'biological' resources (food, fibres, timber, etc). Most schools of thought advocate a shift from fossil fuels to the use of renewable energy, and emphasise the role of diversity as a characteristic of resilient and sustainable systems. It includes discussion of the role of money and finance as part of the wider debate, and some of its pioneers have called for a revamp of economic performance measurement tools.[3]

Origins

As early as 1966 Kenneth Boulding already raised awareness of an "open economy" with unlimited input resources and output sinks in contrast with a "closed economy", in which resources and sinks are tied and remain as long as possible a part of the economy.[4] Boulding's essay "The Economics of the Coming Spaceship Earth" is often cited as the origin of the phrase "circular economy".[4] The circular economy is grounded in the study of feedback-rich (non-linear) systems, particularly living systems.[2] The contemporary understanding of the Circular Economy and its practical applications to economic systems evolved incorporating different features and contributions from a variety of concepts sharing the idea of closed loops.[1] Some of the relevant theoretical influences are cradle to cradle, laws of ecology, looped and performance economy, regenerative design, industrial ecology, biomimicry and blue economy.[1]

Other early schools of thought include Professor Walter R. Stahel, Gunter Pauli, William McDonough and Michael Braungart, and complementary approaches such as Industrial Ecology, Permaculture and The Natural Step.

The concept of a circular economy (CE) was raised by two British environmental economists David W. Pearce and R. Kerry Turner in 1989. In Economics of Natural Resources and the Environment,[5] they pointed out that a traditional open-ended economy was developed with no built-in tendency to recycle, which was reflected by treating the environment as a waste reservoir.[6]

In the early 1990s, Tim Jackson began to pull together the scientific basis for this new approach to industrial production published in his edited collection Clean Production Strategies[7], including chapters from pre-eminent writers in the field, such as Walter R Stahel, Bill Rees, and Bob Costanza. At the time still called 'preventive environmental management', his follow-on book Material Concerns - Pollution, Profit and Quality of Life[8] synthesised these findings into a manifesto for change, moving industrial production away from an extractive linear system towards a more circular economy.

Moving away from the linear model

Linear "take, make, dispose" industrial processes and the lifestyles that feed on them deplete finite reserves to create products that end up in landfills or in incinerators.

This realisation triggered the thought process of a few scientists and thinkers, including Walter R. Stahel, an architect, economist, and a founding father of industrial sustainability. Credited with having coined the expression "Cradle to Cradle" (in contrast with "Cradle to Grave", illustrating our "Resource to Waste" way of functioning), in the late 1970s, Stahel worked on developing a "closed loop" approach to production processes, co-founding the Product-Life Institute in Geneva more than 25 years ago. In the UK, Steve D. Parker researched waste as a resource in the UK agricultural sector in 1982, developing novel closed loop production systems mimicking, and integrated with, the symbiotic biological ecosystems they exploited.

Emergence of the idea

In their 1976 Hannah Reekman research report to the European Commission, "The Potential for Substituting Manpower for Energy", Walter Stahel and Genevieve Reday sketched the vision of an economy in loops (or circular economy) and its impact on job creation, economic competitiveness, resource savings, and waste prevention. The report was published in 1982 as the book Jobs for Tomorrow: The Potential for Substituting Manpower for Energy.[9]

Considered as one of the first pragmatic and credible sustainability think tanks, the main goals of Stahel's institute are product-life extension, long-life goods, reconditioning activities, and waste prevention. It also insists on the importance of selling services rather than products, an idea referred to as the "functional service economy" and sometimes put under the wider notion of "performance economy" which also advocates "more localisation of economic activity".[10]

In broader terms, the circular approach is a framework that takes insights from living systems. It considers that our systems should work like organisms, processing nutrients that can be fed back into the cycle--whether biological or technical--hence the "closed loop" or "regenerative" terms usually associated with it.

The generic circular economy label can be applied to, and claimed by, several different schools of thought, that all gravitate around the same basic principles which they have refined in different ways. The idea itself, which is centred on taking insights from living systems, is hardly a new one and hence cannot be traced back to one precise date or author, yet its practical applications to modern economic systems and industrial processes have gained momentum since the late 1970s, giving birth to four prominent movements, detailed below. The idea of circular material flows as a model for the economy was presented in 1966 by Kenneth E. Boulding in his paper, The Economics of the Coming Spaceship Earth.[11] Promoting a circular economy was identified as national policy in China's 11th five-year plan starting in 2006.[12] The Ellen MacArthur Foundation, an independent charity established in 2010, has more recently outlined the economic opportunity of a circular economy. As part of its educational mission, the Foundation has worked to bring together complementary schools of thought and create a coherent framework, thus giving the concept a wide exposure and appeal.[13]

Most frequently described as a framework for thinking, its supporters claim it is a coherent model that has value as part of a response to the end of the era of cheap oil and materials and can contribute to the transition to a low carbon economy. In line with this, a circular economy can contribute to meet the COP 21 Paris Agreement. The emissions reduction commitments made by 195 countries at the COP 21 Paris Agreement, are not sufficient to limit global warming to 1.5 °C. To reach the 1.5 °C ambition it is estimated that additional emissions reductions of 15 billion tonnes CO2 per year need to be achieved by 2030. Circle Economy and Ecofys estimated that circular economy strategies may deliver emissions reductions that could basically bridge the gap by half.[14]

Sustainability

The circular economy seems intuitively to be more sustainable than the current linear economic system. The reduction of resource inputs into, and waste and emission leakage out of, the system, reduces resource depletion and environmental pollution. However, these simple assumptions are not sufficient to deal with the involved systemic complexity and disregards potential trade-offs. For example, the social dimension of sustainability seems to be only marginally addressed in many publications on the circular economy, and there are cases that require different or additional strategies, like purchasing new, more energy efficient equipment. By reviewing the literature, a team of researchers from Cambridge and TU Delft could show that there are at least eight different relationship types between sustainability and the circular economy:[15]

  1. Conditional relation
  2. Strong conditional relation
  3. Necessary but not sufficient conditional relation
  4. Beneficial relationship
  5. Subset relation (structured and unstructured)
  6. Degree relation
  7. Cost-benefit/trade-off relation
  8. Selective relation

Framework

The various approaches to 'circular' business and economic models have slightly different emphasis on the key components. They share several common principles, aiming to:

  • Extend the life of materials and products, where possible over multiple 'use cycles';
  • Use a 'waste = food' approach to help recover materials, and ensure those biological materials returned to earth are benign, not toxic;
  • Retain the embedded energy, water and other process inputs in the product and the material for as long as possible;
  • Use systems-thinking approaches in designing solutions;
  • Regenerate or at least conserve nature and living systems;
  • Push for policies, taxes and market mechanisms that encourage product stewardship, for example 'polluter pays' regulations.[16]

The many different 'understandings' of the circular economy are evidenced by a recent review of 114 different publications.[17] Some of the key aspects are outlined below:

Systems thinking

The ability to understand how things influence one another within a whole. Elements are considered as 'fitting in' their infrastructure, environment and social context. Whilst a machine is also a system, systems thinking usually refers to nonlinear systems: systems where through feedback and imprecise starting conditions the outcome is not necessarily proportional to the input and where evolution of the system is possible: the system can display emergent properties. Examples of these systems are all living systems and any open system such as meteorological systems or ocean currents, even the orbits of the planets have nonlinear characteristics.

Understanding a system is crucial when trying to decide and plan (corrections) in a system. Missing or misinterpreting the trends, flows, functions of, and human influences on, our socio-ecological systems can result in disastrous results. In order to prevent errors in planning or design, an understanding of the system should be applied to the whole and also to the details of the plan or design. The Natural Step created a set of systems conditions (or sustainability principles) that can be applied when designing for (parts of) a circular economy to ensure alignment with functions of the socio-ecological system.

The concept of the circular economy has previously been expressed as the circulation of money versus goods, services, access rights, valuable documents, etc., in macroeconomics. This situation has been illustrated in many diagrams for money and goods circulation associated with social systems. As a system, various agencies or entities are connected by paths through which the various goods etc., pass in exchange for money. However, this situation is different from the circular economy described above, where the flow is unilinear - in only one direction, that is, until the recycled goods again are spread over the world.

Biomimicry

Janine Benyus, author of "Biomimicry: Innovation Inspired by Nature", defines her approach as "a new discipline that studies nature's best ideas and then imitates these designs and processes to solve human problems. Studying a leaf to invent a better solar cell is an example. I think of it as "innovation inspired by nature.[18] Biomimicry relies on three key principles:

  • Nature as model: Biomimicry studies nature's models and emulates these forms, processes, systems, and strategies to solve human problems.
  • Nature as measure: Biomimicry uses an ecological standard to judge the sustainability of our innovations.
  • Nature as mentor: Biomimicry is a way of viewing and valuing nature. It introduces an era based not on what we can extract from the natural world, but what we can learn from it.

Industrial ecology

Industrial Ecology is the study of material and energy flows through industrial systems. Focusing on connections between operators within the "industrial ecosystem", this approach aims at creating closed loop processes in which waste is seen as input, thus eliminating the notion of undesirable by-product. Industrial ecology adopts a systemic - or holistic - point of view, designing production processes according to local ecological constraints whilst looking at their global impact from the outset, and attempting to shape them so they perform as close to living systems as possible. This framework is sometimes referred to as the "science of sustainability", given its interdisciplinary nature, and its principles can also be applied in the services sector. With an emphasis on natural capital restoration, Industrial Ecology also focuses on social wellbeing.[19]

Cradle to cradle

Created by Walter R. Stahel, a Swiss architect who graduated from the Swiss Federal Institute of Technology Zürich in 1971. He has been influential in developing the field of sustainability by advocating philosophies of 'service-life extension of goods - reuse, repair, remanufacture, upgrade technologically' as they apply to industrialised economies. He co-founded the Product Life Institute in Geneva, Switzerland, a consultancy devoted to developing sustainable strategies and policies, after receiving recognition for his prize winning paper 'The Product Life Factor' in 1982. His ideas and those of similar theorists led to what is now known as the circular economy, in which industry adopts the reuse and service-life extension of goods as a strategy of waste prevention, regional job creation, and resource efficiency in order to decouple wealth from resource consumption, in other words, to dematerialise the industrial economy. Recent technical developments such as the recyclebot, which profitably converts post consumer plastic waste to 3D printing feedstock to make higher value products (upcycling) provides financial incentives to tighten the loop of the circular economy.[20]

Cooper (2005)[21] proposed a theoretical model that illustrates the significance of product life spans in progressing towards sustainable consumption. According to the model, longer product life spans can contribute to eco-efficiency and sufficiency and thus slow consumption and help societies progress towards sustainable consumption.[21]

Blue economy

Initiated by former Ecover CEO and Belgian entrepreneur Gunter Pauli, derived from the study of natural biological production processes the official manifesto states, "using the resources available...the waste of one product becomes the input to create a new cash flow".[22] Based on 21 founding principles, the Blue Economy insists on solutions being determined by their local environment and physical / ecological characteristics, putting the emphasis on gravity as the primary source of energy - a point that differentiates this school of thought from the others within the Circular Economy.[23] The report - which doubles as the movement's manifesto - describes "100 innovations which can create 100 million jobs within the next 10 years", and provides many example of winning South-South collaborative projects, another original feature of this approach intent on promoting its hands-on focus.

"The Biosphere Rules"

The Biosphere Rules is a framework for implementing closed loop production processes. They derived from nature systems and translated for industrial production systems. The five principles are Materials Parsimony, Value Cycling, Power Autonomy, Sustainable Product Platforms and Function Over Form.

Towards the circular economy

In January 2012, a report was released entitled Towards the Circular Economy: Economic and business rationale for an accelerated transition. The report, commissioned by the Ellen MacArthur Foundation and developed by McKinsey & Company, was the first of its kind to consider the economic and business opportunity for the transition to a restorative, circular model. Using product case studies and economy-wide analysis, the report details the potential for significant benefits across the EU. It argues that a subset of the EU manufacturing sector could realise net materials cost savings worth up to $630 billion annually towards 2025--stimulating economic activity in the areas of product development, remanufacturing and refurbishment. Towards the Circular Economy also identified the key building blocks in making the transition to a circular economy, namely in skills in circular design and production, new business models, skills in building cascades and reverse cycles, and cross-cycle/cross-sector collaboration.[24]

In January 2015 a Definitive Guide to The Circular Economy[25] was published by Coara with the specific aim to raise awareness amongst the general population of the environmental problems already being caused by our "throwaway culture". Waste Electrical and Electronic Equipment (WEEE), in particular, is contributing to excessive use of landfill sites across the globe in which society is both discarding valuable metals but also dumping toxic compounds that are polluting the surrounding land and water supplies. Mobile devices and computer hard drives typically contain valuable metals such as silver and copper but also hazardous chemicals such as lead, mercury and cadmium. Consumers are unaware of the environmental significance of upgrading their mobile phones, for instance, on such a frequent basis but could do much to encourage manufacturers to start to move away from the wasteful, polluting linear economy towards are sustainable circular economy.

Impact in Europe

On 17 December 2012, the European Commission published a document entitled Manifesto for a Resource Efficient Europe. This manifesto clearly stated that "In a world with growing pressures on resources and the environment, the EU has no choice but to go for the transition to a resource-efficient and ultimately regenerative circular economy."[26] Furthermore, the document highlighted the importance of "a systemic change in the use and recovery of resources in the economy" in ensuring future jobs and competitiveness, and outlined potential pathways to a circular economy, in innovation and investment, regulation, tackling harmful subsidies, increasing opportunities for new business models, and setting clear targets.

The European environmental research and innovation policy aims at supporting the transition to a circular economy in Europe, defining and driving the implementation of a transformative agenda to green the economy and the society as a whole, to achieve a truly sustainable development. Research and innovation in Europe are financially supported by the programme Horizon 2020, which is also open to participation worldwide.[27]

The European Commission introduced a Circular Economy proposal in 2015. Historically, the policy debate in Brussels mainly focused on waste management which is the second half of the cycle, and very little is said about the first half: eco-design. To draw the attention of policymakers and other stakeholders to this loophole, the Ecothis, an EU campaign was launched raising awareness about the economic and environmental consequences of not including eco-design as part of the circular economy package.[28]

Circular business models

Circular business models[29]

While the initial focus of academic, industry, and policy activities was mainly focused on the development of re-X (recycling, remanufacturing, reuse,...) technology, it soon became clear that the technological capabilities increasingly exceed their implementation. To leverage this technology for the transition towards a Circular Economy, different stakeholders have to work together. This shifted attention towards business model innovation as a key leverage for 'circular' technology adaption.[30]

Circular business models are business models that are closing, narrowing, slowing, intensifying, and dematerialising loops, to minimise the resource inputs into and the waste and emission leakage out of the organisational system. This comprises recycling measures (closing), efficiency improvements (narrowing), use phase extensions (slowing or extending), a more intense use phase (intensifying), and the substitution of product utility by service and software solutions (dematerialising).[31]

Circular Economy Standard BS 8001:2017

To provide authoritative guidance to organisations implementing circular economy (CE) strategies, in 2017, the British Standards Institution (BSI) developed and launched the first circular economy standard "BS 8001:2017 Framework for implementing the principles of the circular economy in organizations. Guide".[32] The circular economy standard BS 8001:2017 tries to align the far-reaching ambitions of the CE with established business routines at the organisational level. It contains a comprehensive list of CE terms and definitions, describes the core CE principles, and presents a flexible management framework for implementing CE strategies in organizations. Little concrete guidance on circular economy monitoring and assessment is given, however, as there is no consensus yet on a set of central circular economy performance indicators applicable to organisations and individual products.[33]

See also

References

  1. ^ a b c Geissdoerfer, Martin; Savaget, Paulo; Bocken, Nancy M.P.; Hultink, Erik Jan. "The Circular Economy - A new sustainability paradigm?". Journal of Cleaner Production. 143: 757-768. doi:10.1016/j.jclepro.2016.12.048. 
  2. ^ a b Towards the Circular Economy: an economic and business rationale for an accelerated transition. Ellen MacArthur Foundation. 2012. p. 24. 
  3. ^ Walter Stahel, "How to Measure it", The Performance Economy second edition - Palgrave MacMillan, page 84
  4. ^ a b Allwood, Julian M. Squaring the Circular Economy. pp. 445-477. doi:10.1016/b978-0-12-396459-5.00030-1. 
  5. ^ David W. Pearce and R. Kerry Turner (1989). Economics of Natural Resources and the Environment. Johns Hopkins University Press. ISBN 978-0801839870. 
  6. ^ "A review of the circular economy in China: moving from rhetoric to implementation". Journal of Cleaner Production. 42: 215-227. 2012. doi:10.1016/j.jclepro.2012.11.020. Retrieved 2016. 
  7. ^ Jackson, Tim (1993). Clean Production Strategies Developing Preventive Environmental Management in the Industrial Economy. https://www.crcpress.com/Clean-Production-Strategies-Developing-Preventive-Environmental-Management/Jackson/p/book/9780873718844: CRC Press. ISBN 9780873718844. 
  8. ^ Jackson, Tim (1996). Material Concerns -- Pollution, Profit and Quality of Life. https://www.routledge.com/Material-Concerns-Pollution-Profit-and-Quality-of-Life/Jackson/p/book/9780415132497: Routledge. 
  9. ^ "Cradle to Cradle | The Product-Life Institute". Product-life.org. 2012-11-14. Retrieved . 
  10. ^ Clift & Allwood, "Rethinking the economy", The Chemical Engineer, March 2011
  11. ^ "The Economics of the Coming Spaceship Earth". Eoearth.org. Retrieved 2013. 
  12. ^ Zhijun, F; Nailing, Y (2007). "Putting a circular economy into practice in China" (PDF). Sustain Sci. 2: 95-101. doi:10.1007/s11625-006-0018-1. 
  13. ^ "The Ellen MacArthur Foundation website". Ellenmacarthurfoundation.org. Retrieved 2013. 
  14. ^ Blok, Kornelis; Hoogzaad, Jelmer; Ramkumar, Shyaam; Ridley, Shyaam; Srivastav, Preeti; Tan, Irina; Terlouw, Wouter; de Wit, Terlouw. "Implementing Circular Economy Globally Makes Paris Targets Achievable". Circle Economy. Circle Economy, Ecofys. Retrieved 2017. 
  15. ^ Geissdoerfer, Martin; Savaget, Paulo; Bocken, Nancy M. P.; Hultink, Erik Jan (2017-02-01). "The Circular Economy - A new sustainability paradigm?". Journal of Cleaner Production. 143: 757-768. doi:10.1016/j.jclepro.2016.12.048. 
  16. ^ Weetman,, Catherine (2016). A circular economy handbook for business and supply chains : repair, remake, redesign, rethink. London, United Kingdom: Kogan Page. p. 25. ISBN 9780749476755. OCLC 967729002. 
  17. ^ Kirchherr, Julian; Reike, Denise; Hekkert, Marko (2017-09-15). "Conceptualizing the circular economy: An analysis of 114 definitions". Resources, Conservation and Recycling. 127: 221-232. doi:10.1016/j.resconrec.2017.09.005. 
  18. ^ "What is Biomimicry?". Biomimicry Institute. Retrieved . 
  19. ^ "International Society for Industrial Ecology - Home". Is4ie.org. Retrieved . 
  20. ^ Zhong, Shan (2018). "Tightening the loop on the circular economy: Coupled distributed recycling and manufacturing with recyclebot and RepRap 3-D printing". Resources, Conservation and Recycling. 128: 48-58. 
  21. ^ a b Cooper, Tim (2005). "Slower Consumption Reflections on Product Life Spans and the "Throwaway Society"". Journal of Industrial Ecology. 9 (1-2): 51-67. doi:10.1162/1088198054084671 - via Willey. 
  22. ^ "Blue Economy : Green Economy 2.0". Blueeconomy.de. Retrieved . 
  23. ^ https://web.archive.org/web/20100721060405/http://www.community.blueeconomy.de/the_principles.php. Archived from the original on July 21, 2010. Retrieved 2011.  Missing or empty |title= (help)
  24. ^ Towards the Circular Economy: an economic and business rationale for an accelerated transition. Ellen MacArthur Foundation. 2012. p. 60. 
  25. ^ Definitive Guide To The Circular Economy. Coara. 2015. 
  26. ^ "Manifesto for a Resource Efficient Europe". European Commission. Retrieved 2013. 
  27. ^ See Horizon 2020 - the EU's new research and innovation programme http://europa.eu/rapid/press-release_MEMO-13-1085_en.htm
  28. ^ "The Ecothis.eu campaign website". ecothis.eu. Retrieved 2015. 
  29. ^ Geissdoerfer, Martin; Morioka, Sandra Naomi; de Carvalho, Marly Monteiro; Evans, Steve (2018-04). "Business models and supply chains for the circular economy". Journal of Cleaner Production. doi:10.1016/j.jclepro.2018.04.159. ISSN 0959-6526.  Check date values in: |date= (help)
  30. ^ Rashid, Amir; Asif, Farazee M.A.; Krajnik, Peter; Nicolescu, Cornel Mihai (2013-10). "Resource Conservative Manufacturing: an essential change in business and technology paradigm for sustainable manufacturing". Journal of Cleaner Production. 57: 166-177. doi:10.1016/j.jclepro.2013.06.012. ISSN 0959-6526.  Check date values in: |date= (help)
  31. ^ Geissdoerfer, Martin; Morioka, Sandra Naomi; de Carvalho, Marly Monteiro; Evans, Steve (2018-04). "Business models and supply chains for the circular economy". Journal of Cleaner Production. doi:10.1016/j.jclepro.2018.04.159. ISSN 0959-6526.  Check date values in: |date= (help)
  32. ^ "Developing BS 8001 - a world first". The British Standards Institution. Retrieved 2017. 
  33. ^ Pauliuk, Stefan (2018). "Critical appraisal of the circular economy standard BS 8001:2017 and a dashboard of quantitative system indicators for its implementation in organizations". Resources, Conservation and Recycling. Elsevier BV. 129: 81-92. doi:10.1016/j.resconrec.2017.10.019. ISSN 0921-3449. 

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