What does a circular economy mean for cotton?€¦ · Cotton and a circular economy. 1. Design out...
Transcript of What does a circular economy mean for cotton?€¦ · Cotton and a circular economy. 1. Design out...
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Associate Professor Alice Payne Fashion, Creative Industries Faculty | Domain lead - Waste, Institute for Future Environments
Queensland University of TechnologyICAC 78th Plenary Meeting, December 2019
What does a circular economy mean for cotton?
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The present reality…
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92 million tonneswaste annually (2017, Pulse of Fashion estimate)
95.1 million tonnesfibreproduction(2016, Statista)
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Towards a new economy
Production, consumption and circulationDecouple economic growth from resource depletion and environmental impactAim to accomplish sustainable development
Green economy
Bioeconomy
Image: Vanburen, et al (2016). https://doi.org/10.3390/su8070647
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Industrial ecology – cradle-to-cradle
Waste = food
Biological and technicalresource streams
No ‘monstrous hybrids’
(Cradle to Cradle, McDonough and Braungart 2002)
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Circular economy principles
1. Design out waste and pollution2. Keep products and materials in use3. Regenerate natural systems
Criticism 1The circular economy ‘rebound effect’
Criticism 2Less focus on the social dimension of sustainability
Three principles: Ellen Macarthur Foundation - https://tinyurl.com/yx9ombpu
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Cotton and a circular economy
1. Design out waste and pollution
2. Keep products and materials in use
3. Regenerate natural systems
Adding value to cotton’s byproducts
Enhancing inherent fibre qualities
Tackling environmental impact
And more!
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fibre yarn fabric cut sew garment
All diagrams – Alice Payne, some icons adapted from the Noun Project, used under license
Interventions across the value chain
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Keep materials in use - downcycling
Products in other industriesWaste to energy
or
As more brands implement take-back schemes – more pathways needed
Rags (needs to be cellulosic)Shoddy to insulation,non-wovens, carpet underlay
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Upcycling and remanufacturing
or
Opportunity for new value-added products
Improve supply chain efficiencies
or
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Utilising in-system waste – recycled fibres
Needs virgin fibre for strength
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Closed loop recycling
Will this lead to lower primary production?
What about the rebound effect?
Biological closed loop –safely composting garments
Technical closed loop –mechanically or chemically recycling synthetics
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diagram from Payne 2015
Open-loop recycling into fibre – technical
Challenges with microfibrepollution
PET bottles to polyester
Fishing nets to polyamide
No monstrous hybrids please!
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Open loop recycling into fibre - biological
Agricultural waste
Cellulosic origin – old process, new feedstocks
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Promoting circular consumption
Promoting emotional attachment to one’s garments
Mending existing garments
Promoting material durability and longevity
RefuseRethinkReuseRepair
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Garment reuse: resale, rental, sharing
Resale growing faster than fast fashion
In Australia alone, over 30 rental platforms have sprung up
Will this lead to lower primary production?
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Consumer trends
• Changing consumption patterns
• Rapid growth in peer-to-peer sharing and resale platforms
• Climate activism
Images from XR Boycott Fashion Instagram
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Production, consumption and circulation
Ag waste
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Interventions – research @ QUT
Fibre separation technologiesWool/polyesterCotton/polyester
Strategies to address labour issues in the cotton value chain*
Sustainable Value Chain Analysis of Australian cotton*
Robotics and AI to sense different fabrics and disassemble used garments
Textile waste as feedstock for next generation batteries
*Funded by Cotton Research and Development Corporation
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Cotton’s contribution to a circular economy
Cotton as inherently biologically circularVirgin cotton as an enabler of textile circularityA circular economy that considers the social dimension