Environmental Impact Assessment of Wood Use in Japan through 2050 Using Material Flow Analysis and Life Cycle Assessment

Kayo, Chihiro; Dente, Sébastien M.R.; Aoki-Suzuki, Chika; Tanaka, Daisuke; Murakami, Shinsuke; Hashimoto, Seiji

doi:10.1111/jiec.12766

Cited by 48 publications

(24 citation statements)

References 31 publications

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“…m -3 and MCOD was 12% (Briggs 1994). Equation 2was modified by assuming that 90% of tree volume is used for solid wood products (Kayo et al 2018). For this reason, this equation can be written:…”

Section: Resultsmentioning

confidence: 99%

“…Several studies have been carried out to measure the environmental impact of the use of wood products (Hashimoto and Moriguchi 2004;Suter et al 2017;Kayo et al 2018;Bais-Moleman et al 2018). Increased production of wood has a positive impact on the improvement of the global and national economy which is characterized by increasing national income (Chen et al 2015;Kayo et al 2015;Tian et al 2017).…”

Section: Introductionmentioning

confidence: 99%

“…This is because measuring the level of consumption on a household scale is not easy (Hsiang et al 2017). Although it is difficult, it can be done through understanding the characteristics of the product (Wenker et al 2017) and also the proportion of its use (Kayo et al 2018). The characteristics of wood products can be approached by considering the conversion factor of the use of wood that has been built so far as stated by Briggs (1994) and Husch et al (2003).…”

Section: Introductionmentioning

confidence: 99%

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Measuring the sustainability of wood consumption at the household level in Indonesia: Case study in Bogor, Indonesia

Abdulah¹,

Suhendang

Purnomo

et al. 2020

Biodiversitas

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Abstract. Abdulah L, Suhendang E, Purnomo H, Mattangaran JR. 2020. Measuring the sustainability of wood consumption at the household level in Indonesia: Case study in Bogor, Indonesia. Biodiversitas 21: 457-464. Data on consumption of wood products at the end-user level does not yet exist. This is caused by variations in the shape of wood products and raw materials used. Meanwhile, information on the level of consumption per capita is needed to measure sustainability consumption at the household level, determine the volume of wood production and carbon storage in wood products in the household. The novelty of this study is in method for measure wood product consumption. The aim of this study was to estimate the level of wood consumption at the household level in the form of use for construction and furniture. The method used was a survey of wood products at the industrial level and to make a database and then confirmed to households to determine the level of consumption. The results showed that wood products in the household are divided into 2 main parts namely construction and furniture. The level of wood consumption varied greatly depending on the type of roof, the number of doors and windows and the amount of furniture used. The level of consumption in Bogor reached 0.1 m3 per capita. This consumption was influenced by the time of use and the size of family.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Measuring the sustainability of wood consumption at the household level in Indonesia: Case study in Bogor, Indonesia

Abdulah¹,

Suhendang

Purnomo

et al. 2020

Biodiversitas

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“…Petersen et al [82] compiled literature findings for Norway and Sweden and report that avoided emissions from using timber typically lie between 100 and 400 kg CO 2 -eq/m 3 timber, although the entire range spans minus 310 to plus 1060 kg CO 2 -eq/m 3 . Kayo et al [83] estimate that increasing wood construction in Japan could lead to a net GHG emission reduction of 1.23 tCO 2 -eq/m 3 Sathre and O'Connor [84] compiled displacement factors of wood product substitution, measured in tons of C emissions reduced per additional ton of C used in construction, for 21 case studies. They find positive replacement factors in most but not all cases.…”

Section: Lightweight Design and Materials Choicementioning

confidence: 99%

Material efficiency strategies to reducing greenhouse gas emissions associated with buildings, vehicles, and electronics—a review

Hertwich

Ali

Ciacci

et al. 2019

Environ. Res. Lett.

306

164

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As one quarter of global energy use serves the production of materials, the more efficient use of these materials presents a significant opportunity for the mitigation of greenhouse gas (GHG) emissions. With the renewed interest of policy makers in the circular economy, material efficiency (ME) strategies such as light-weighting and downsizing of and lifetime extension for products, reuse and recycling of materials, and appropriate material choice are being promoted. Yet, the emissions savings from ME remain poorly understood, owing in part to the multitude of material uses and diversity of circumstances and in part to a lack of analytical effort. We have reviewed emissions reductions from ME strategies applied to buildings, cars, and electronics. We find that there can be a systematic trade-off between material use in the production of buildings, vehicles, and appliances and energy use in their operation, requiring a careful life cycle assessment of ME strategies. We find that the largest potential emission reductions quantified in the literature result from more intensive use of and lifetime extension for buildings and the light-weighting and reduced size of vehicles. Replacing metals and concrete with timber in construction can result in significant GHG benefits, but trade-offs and limitations to the potential supply of timber need to be recognized. Repair and remanufacturing of products can also result in emission reductions, which have been quantified only on a case-by-case basis and are difficult to generalize. The recovery of steel, aluminum, and copper from building demolition waste and the end-of-life vehicles and appliances already results in the recycling of base metals, which achieves significant emission reductions. Higher collection rates, sorting efficiencies, and the alloy-specific sorting of metals to preserve the function of alloying elements while avoiding the contamination of base metals are important steps to further reduce emissions.

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“…Product or material flow related methods are in general based on a Life Cycle Assessment (LCA) approach. Suter et al [35], Mehr et al [36], and Kayo et al [37] used a combined MFA and LCA approach to assess environmental impacts including potential effects from substitution and cascading for wooden material flows of Switzerland and Japan. Although having a system boundary comparable to the proposed monitoring concept, Suter, Steubing, and Hellweg [35] and Kayo, Dente, Aoki-Suzuki, Tanaka, Murakami, and Hashimoto [37] considered environmental impacts only up to the stage of semi-finished products.…”

Section: Introductionmentioning

confidence: 99%

Monitoring Sustainability Effects of the Bioeconomy: A Material Flow Based Approach Using the Example of Softwood Lumber and Its Core Product Epal 1 Pallet

et al. 2020

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The transition of our current economic system towards a bioeconomy that is based on renewable materials and energy can be an important contribution but at the same time a threat to mitigate the challenges of the 21st century, such as global warming and resource depletion. To assess societal, economic, and environmental impacts associated with this transition, we propose an approach for a sustainability assessment as an integral part of a future bioeconomy monitoring concept. The assessment approach is based on material flow analyses of the bioeconomy and their core products. As a proof of applicability, the proposed assessment approach is exemplified for the material flow of softwood lumber and its core product ‘EPAL 1 pallet’. To simulate a frequent monitoring, material flow analysis and assessment of six sustainability effects are applied for the years 2010 and 2015. Since a frequent bioeconomy monitoring requires regularly updated and quality assured data, official statistics should be the major source of information. Whereas cutoff thresholds, nondisclosure of data, and high level of aggregation are major limitations of official production statistics and for material flow analysis, lack of information regarding environmental effects is the major limitation for material flow related sustainability assessment. We make suggestions on how to overcome these limitations and put our approach in to context with other ongoing monitoring activities.

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Environmental Impact Assessment of Wood Use in Japan through 2050 Using Material Flow Analysis and Life Cycle Assessment

Cited by 48 publications

References 31 publications

Measuring the sustainability of wood consumption at the household level in Indonesia: Case study in Bogor, Indonesia

Measuring the sustainability of wood consumption at the household level in Indonesia: Case study in Bogor, Indonesia

Material efficiency strategies to reducing greenhouse gas emissions associated with buildings, vehicles, and electronics—a review

Monitoring Sustainability Effects of the Bioeconomy: A Material Flow Based Approach Using the Example of Softwood Lumber and Its Core Product Epal 1 Pallet

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