| 1. |
- Bergkvist, Lisa, et al.
(författare)
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Carbon Sequestration Potential f Agroforestry Systems For Phytoremediation In Chinandega, Nicaragua
- 2018
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Ingår i: Linnaeus Eco-Tech 2018. ; , s. 211-211
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- Greenhouse gases in the atmosphere have increased to earlier unrecorded levels, causing global climate change that increases GMT and threaten ecosystems and livelihoods. IPCC report suggest that agroforestry offers considerable carbon sequestration (c seq.) potential, especially for developing countries. The purpose of this study is to estimate the c seq. potential in different agroforestry systems suitable in Chinandega, Nicaragua - a deforested region where the ground is polluted by toxaphene and other POP:s. Three scenarios where studied; Shading system using Tectona grandis and Pogostemon cablin; Alley cropping using Erythrina poeppigiana and Ricinus communis and Silvopasture using Cordia alliodora and Brachiaria ruziziensis, the last scenario being divided into two subscenarios; unmanaged (grazed) and managed (harvested) grass. Calculations were performed using the modelling program CO2FIX v. 3.2, with a runtime of 100 years and assuming deforested area with no previous land use. Results show a significantly higher c seq. potential in Shading system (168/217 MgC/ha). Alley cropping yields 71 MgC/ha and Silvopasture results in 80/84 MgC/ha unmanaged and 65/70 MgC/ha managed. The higher number includes products from harvest. All scenarios show fluctuations over time due to thinning and harvesting practices. Phytoremediation potential of POPs has been shown in Ricinus communis and grass species. Soil c seq. is especially important to consider in longterm scenarios as this c seq. can be sustained over longer time. The inclusion of crop residue, the effect of grazing animals or changes in density of trees and crops and environmental fate of the toxic compounds need further assessment before considering large scale applications. Agroforestry practices could contribute to several benefits, including climate change mitigation and phytoremediation.
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| 2. |
- Dupaul, Gabriel, et al.
(författare)
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Fiberbanks as substrate and feedstock for biological remediation : A practical analytical method development for organic pollutants analysis
- 2020
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Ingår i: Book of Abstracts. - : ABA Publishing. - 9789189081031
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Konferensbidrag (refereegranskat)abstract
- Fiberbanksfrom the pulp and paper industry are typically contaminated with a wide range ofchlorinated aromatic and aliphatic toxins such as HCB and other chlorinated benzenes, PCB,HCH, DDT, PCDD, PCDF and Chlorophenols. This poses a formidable challenge for theanalyst to develop appropriate analytical methodology for the monitoring of the progress ofremediation.In preparation to this undertaking, an examination of a practical analytical method using oneextraction method, one clean-up and one analysis method for the aforementioned targetcompounds found in the fibrous sediment. This method was performed using acceleratedsolvent extraction (ASE), a modified silica gel column and GC-FID/ECD. Additionally,an assessment of the levels of organic pollutants was conducted,with the purposeofmeasuringthe potential alteration in contaminantswhenfreeze-drying, air-drying andautoclavingpretreatments are applied to the sediment samples, prior to be used as a media forbiological remediation.The results showed that the ASE is a very fast and reliable method of extraction, with yieldscomparableorhigher than the reference Soxhlet extraction method. Theactivatedsilica gelcolumn demonstrated adequate purification of the sediment extract for analysisusingthe twodetectors, FID and ECD, whichwere able to identify the target analytes fromonlyone purifiedextract. The method employed in this study has the potentialto reduceboth processing timeand materialusedfor analytical sample preparation. Lastly, some modifications inconcentrations anddistribution of target analyteswere revealedin thesediments pre-treated byautoclave and air-driedwhencompared withthefreeze-dried sediments, which can helpunderstanding the development of the biological remediation process.
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| 3. |
- Elnour, Mugahid, et al.
(författare)
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Life cycle assessment of a retail store aquaponic system in a cold-weather region
- 2022
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Ingår i: Frontiers in Sustainability. - Stockholm : Frontiers Media SA. - 2673-4524. ; 3
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Tidskriftsartikel (refereegranskat)abstract
- Alternative food production technologies are being developed to meet the global increase in population and demand for a more sustainable food supply. Aquaponics, a combined method of vegetable and fish production, is an emerging technology that is widely regarded as sustainable. Yet, there has been limited research on its environmental performance, especially at a commercial scale. In this study, life cycle analysis (LCA) was used to assess the environmental impacts of food produced by an urban commercial aquaponic system located next to a retail store in a cold-weather region (Östersund, Sweden). The functional unit (FU) used is 1 kg of fresh produce, which includes cucumber (Cucumis sativus), tomatoes (Solanum Lycopersicum), and Atlantic salmon (Salmo salar). The system boundary is set from cradle to farm or retailer's gate due to the proximity of the aquaponic system to the retail store. Results were reported employing eight environmental impact categories, including global warming potential (GWP), marine eutrophication (MEU), and cumulative energy demand (CED). According to contribution analysis, the main hotspots of the system are electricity, CO2 enrichment, and heating. Potential areas to mitigate the impact of these parameters were highlighted in this study, including the establishment of symbiotic links to utilize urban waste and by-products. The impact per vegetable or fish produced was partitioned using energy and economic allocation and compared to other common cultivation methods. The yearly harvest from the aquaponic system was also compared to importing these food items from other European countries which showed lower annual greenhouse gas (GHG) emissions for the aquaponic system.
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| 4. |
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| 5. |
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| 6. |
- Fagerholm, Anna-Sara, 1978-, et al.
(författare)
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Tack för maten – ett samtal om hållbara livsmedelssystem : UR Samtiden tv-inspelning
- 2021
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Annan publikation (film/video) (populärvet., debatt m.m.)abstract
- Panelsamtal/Intervju · 32 minMer än 820 miljoner människor i världen har inte tillräckligt med mat. Samtidigt stressas vår planet av våra matvanor och västvärldens resursslöseri. Hur kan vi öka matproduktion genom att äta insekter och hur kan design göra skillnad? Ett utbildningssamtal över ett bord dukat med insektsmat mellan Henrik Haller, universitetslektor i ekoteknik, och Anna-Sara Fagerholm, universitetslektor i grafisk design. Inspelat den 6 maj på campus Sundsvall, Mittuniversitetet. Arrangör: Mittuniversitetet.
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| 7. |
- Fagerholm, Anna-Sara, 1978-, et al.
(författare)
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Visualizations of circular business models : a design perspective on concepts and visual presentations in the food industry
- 2021
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Ingår i: Accelerating the progress towards the 2030 SDGs in times of crisis. - Östersund : Mid Sweden University. - 9789189341173 ; , s. 458-459
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Konferensbidrag (refereegranskat)abstract
- Design is discussed as a way of shaping the surrounding and as an expression of the culture to which it belongs (Skjerven and Reitan, 2018). By designing meaning is created (Ehn, Nilsson & Topgaard, 2014; Escobar, 2018). Recently, there has been wide interest in research focusing on design in a circular economy (Moreno, De los Rios, Charnley, 2016; Wastling, Charnley and Moreno, 2018). Studies on new business models pay attention to design strategies for a circular economy but does not provide guidance for designers developing new circular business models (Moreno, De los Rios, Rowe and Charnley, 2016). In addition, there is a huge gap between the concept of circular economy and its practical implementation in the industry (Bianchini, Rossi and Marco Pellegrini, 2019). Furthermore, there are few academic publications in the area of design specifically focusing on visualizations (Vande Moere and Purchase, 2011). Hence, additional studies focusing on the visual aspects of circular processes are needed. Against this background, the purpose of this study is to examine visualizations of circular business models in the food industry. First, the concept of circular business models is discussed from a design perspective. Second, this study summarizes how visual presentations of circular business models are visualized within the food industry. The study begins with a literature review and is followed by a visual content analysis on how a selection of companies within the food industry visually present their circular business models. Results are presented on how the concept of circular business models is discussed from a design perspective. Also, this study summarize results on how visual presentations of circular business models are visualized within the food industry. This study addresses the relation between the increasing role of the sustainability agenda in society and the visual presentation of circular business models by companies. With this study, we hope to provide a better understanding of the visual aspect of business models based on circular principles and from a design aspect, contribute to knowledge about visual presentations of sustainable processes in society. In a reality where the earth's resources are limited, a shift in production and consumption is required and knowledge of new circular business models are needed. This is in line with global goal number 12 – Responsible Consumption and Production – 12.2: by 2030, achieve the sustainable management and efficient use of natural resources, and 2.5: by 2030, substantially reduce waste generation through prevention, reduction, recycling and reuse. The world after the pandemic will not be what it was before the crisis and this enables a transition to a circular economy (Regeringskansliet, 2020). To succeed, sustainable business models are required (FAO, 2020). During 2020, domestic and global markets are facing challenges due to the restrictions on people’s movement that were imposed to contain its spread of of COVID-19 (FAO, 2020) and changes in access to groceries in stores (Wetter, Rosengren & Törn, 2020; Sim, Chua, Vieta & Fernandez, 2020).
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| 8. |
- Fagerholm, Anna-Sara, 1978-, et al.
(författare)
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What a Waste – A norm-critical design study on how waste is understood and managed
- 2023
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Ingår i: Resources, Conservation & Recycling Advances. - : Elsevier BV. - 2667-3789. ; 19
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Tidskriftsartikel (refereegranskat)abstract
- This article seeks to contribute new insights into inclusive recycling environments through universal design. The aim is to develop knowledge on how waste is understood and managed by exploring the practice and design of a recycling environment. Applying a norm-critical view, this is explored in a study with participants from a municipal housing company and waste management company in northern Sweden. Methods used are go-along interviews together with professionals and observations of a recycling environment. The results are discussed as: 1) the “(un)social norm;” where our results show that the waste system is perceived as a social system, contradicting previous approaches where waste systems are treated as technical environments. 2) the “(un)design factor;” where we identify how design in a recycling context that doesn´t emphasise diversity may affect activities of sorting.
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| 9. |
- Fagerholm, Anna-Sara, 1978-, et al.
(författare)
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What a Waste – A norm-critical study on how waste is understood and managed through integrating perspectives
- 2022
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Ingår i: Book of Abstracts – The 28th Annual Conference, International Sustainable Development Research Society “Sustainable Development and Courage. Culture, Art and Human Rights” 15-17 june 2022. ; , s. 252-253
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Konferensbidrag (refereegranskat)abstract
- In previous research waste is described as a design flaw, as the processes that generate waste are a result of poor design (Anastas & Zimmerman, 2006; Ordónez, 2017). Ekberg (2009) points out that waste is what is left behind when imagination fails and this also reflects a reconsidering of waste as resources if given another context. In a globalized world with international trade, there is a greater range of products on the market and the amount of waste is constantly increasing (Avfall Sverige, 2021). A challenge is therefore to reduce the amount of waste. De Laney (2018) points out that there is a huge opportunity to reduce landfill waste and improve consumer habits through design. In this process, we must learn to include new and more inclusive ways of thinking and acting that support long-term social sustainability through design (Wikberg Nilsson & Jahnke, 2018). More than forty years ago, Dilnot (1982) emphasized that through design, we humans give shape, direction and meaning to our individual and collective existence in the world. Today, there are different design solutions for household waste and recycling and Vollaard and van Soest (2020) argue that reducing unsorted waste normally requires little in the way of capital investment beyond buying a set of in-home recycling bins. Although, many times consumers aren´t aware of the impact of their disposal decisions and many facilities for local waste disposal and recycling have processes that are unique to them that could cause confusion (De Laney, 2018). In accordance, we must find a way to get consumers to care and to motivate a change in habits. The research question of this study is how waste is understood and managed and this is explored through a case study with a local housing company and waste management company, interested in improving waste sorting. In order to answer the research question, interviews are conducted with people living in the specific buildings belonging to the housing company, respondents from the local housing company and the waste management company and results are presented on perceptions of waste and what the barriers are to improve waste sorting. This is complemented by a literature review to provide a better understanding of research through design for a sustainable behavior related to waste. This paper presents a norm-critical aspect on universal design and waste in a collaborative research project with the objective of creating more inclusive solutions for waste systems. The overall ambition of this study is to build on knowledge of the role of design as an activity of shaping the human surroundings and as an expression of the culture to which it belongs (Skjerven & Reitan, 2018). The study is related to global goal number 2.5: by 2030, substantially reduce waste generation through prevention, reduction, recycling and reuse.
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