Revealing the life cycle greenhouse gas emissions of materials: The Japanese case

Dente, Sébastien M.R.; Aoki-Suzuki, Chika; Tanaka, Daisuke; Hashimoto, Seiji

doi:10.1016/j.resconrec.2017.12.011

Cited by 36 publications

(43 citation statements)

References 8 publications

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“…In conventional footprint analysis, double counting is a serious issue that impacts the usefulness of previous analyses, in particular for assessing the potential contribution of material efficiency to lowering the carbon footprint of products 21,22 . A recent proposal for correcting such double counting was developed in the process of quantifying the carbon footprint of Japan's material use 23,24 and was extended to analyse the environmental and employment impacts of global supply chains 25 . Here I provide an independent derivation of the suggested method 23,25 to correct for double counting and extend it to downstream impacts.…”

mentioning

confidence: 99%

Increased carbon footprint of materials production driven by rise in investments

Hertwich

2021

Nat. Geosci.

187

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mentioning

confidence: 99%

Increased carbon footprint of materials production driven by rise in investments

Hertwich

2021

Nat. Geosci.

187

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“…We use production data from USGS (2016) and for cast iron from Ashby (2012), as this material is not reported in the first source. In order to calculate the SoP as the final output of resource segments to the rest of the economy without double counting the production that is necessary to produce other materials, the production data need to be corrected to production output with the oversize factor v =ṁ overall productioṅ m production output (Cabernard et al, 2019;Dente et al, 2018;see Table 2 and SM Section 3.4).…”

Section: Resource Segment Definition: Metalsmentioning

confidence: 99%

Ecological resource availability: a method to estimate resource budgets for a sustainable economy

2020

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Non-technical summary Resources are the basis of our economy and their provision causes major shares of the global environmental burdens, many of which are beyond safe limits today. In order to be sustainable, our economy needs to be able to operate within those boundaries. As resources are the physical ‘currency’ of our economy, we present a method that allows translating Earth system boundaries into resource budgets. This ecological resource availability determines the global annual production of a resource that can be considered absolutely sustainable. The budgets can be managed like financial budgets, bringing absolute environmental limits one step closer to decision-makers.

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“…We also faced the problem of double-counting when adding the environmental impacts of all materials together to represent material extraction in China because some materials could influence other materials' exploitation process (Dente et al 2018). For example, the exploitation of some materials requires an electric power supply, and electricity generation requires coal.…”

Section: Study Limitationsmentioning

confidence: 99%

Environmental impacts of domestic resource extraction in China

Zhao

Wang

Chen

et al. 2019

Ecosyst Health Sustain

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Introduction:The rapid development of economy has led to extensive raw material consumption and relevant environmental damage in China. To analyze environmental impacts and identify materials resulting in these environmental effects via raw material extraction, we combine economy-wide material flow accounting and life-cycle analysis methods to estimate environmental impacts of Chinese domestic extraction (DE) during the period of 1992-2015. The relationship between these increasing environmental impacts and Chinese GDP was also explored by decoupling analysis. Outcomes: Results show that Chinese DE increased by 372% during 1992-2015. The global warming potential, abiotic depletion potential, and respiratory inorganics of Chinese DE increased by 195%, 46%, and 408%, respectively. In terms of specific materials, extraction of iron ores, gravel and sand, and coal induced the most environmental impacts. The relationship between environmental impacts and Chinese GDP/ DE was characterized by relative decoupling. Conclusion: To minimize the environmental impacts of extraction, we recommend that the Chinese government improve its extraction techniques and reduce excess demand for materials with large extraction such as iron ores, gravel and sand, and coal. We also recommend researching alternative materials for scarce resources like molybdenum, gold, and fluorite.

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Revealing the life cycle greenhouse gas emissions of materials: The Japanese case

Cited by 36 publications

References 8 publications

Increased carbon footprint of materials production driven by rise in investments

Increased carbon footprint of materials production driven by rise in investments

Ecological resource availability: a method to estimate resource budgets for a sustainable economy

Environmental impacts of domestic resource extraction in China

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