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Article: Big disparities in CH4 emission patterns from landfills between the United States and China and their behind driving forces

TitleBig disparities in CH<inf>4</inf> emission patterns from landfills between the United States and China and their behind driving forces
Authors
KeywordsBig disparities
Landfill CH emissions 4
Municipal solid waste
Socio-economic conditions
The United States and China
Issue Date2022
Citation
Fundamental Research, 2022 How to Cite?
AbstractWaste is the bridge linking resource consumption and greenhouse gas generation, and waste landfills are the main anthropogenic source of methane (CH4). The United States (US)–China Joint Glasgow Declaration and the Global Methane Pledge are committed to reducing tractable CH4 emissions; however, differences between the involved countries as well as their generation forecast processes have hampered cooperation. In this study, we provide a deep insight into CH4 emissions from municipal solid waste (MSW) landfills and identify the disparities in CH4 emissions with local socio-economic conditions. The US and China, the world's two largest economies, generated approximately 3.73 and 1.48 million tonnes of CH4 from 1248 to 1955 landfills in 2012 using the FOD/bottom-up method, with corresponding 26.93 and 11.94 kg per tonne waste and emission value from each landfill ranging between 100 and 105 and 10−5–105 tonnes. The spatial distribution was also quantified and compared with national, state/province, and urban agglomeration perspectives based on historical MSW variations (1990–2015) to clarify the triangular relationship between the economic situation, waste properties, and landfill CH4 emissions. High-density CH4 emission regions spatially overlapped with highly developed urban agglomerations, positively correlated with the local gross domestic product (GDP) and population (p < 0.01), with more emissions generated per thousand US dollars in the US (0.25 tonnes) than in China (0.16 tonnes). The US tertiary industry and China's secondary industry contributed to high CH4 emissions from the waste sector. The increase in tertiary industry might reduce the waste sector's CH4 emissions. This study will help to understand this new triangular relationship and predict future patterns of CH4 emissions.
Persistent Identifierhttp://hdl.handle.net/10722/333573
ISSN
2023 Impact Factor: 5.7
2023 SCImago Journal Rankings: 0.849

 

DC FieldValueLanguage
dc.contributor.authorLiu, Yijun-
dc.contributor.authorCheng, Zhaowen-
dc.contributor.authorChen, AJ J.Y.-
dc.contributor.authorGeng, Yong-
dc.contributor.authorZhang, Ke-
dc.contributor.authorZhu, Nanwen-
dc.contributor.authorSkitmore, Martin-
dc.contributor.authorCai, Bofeng-
dc.contributor.authorZhang, Xiaoling-
dc.contributor.authorLou, Ziyang-
dc.date.accessioned2023-10-06T05:20:42Z-
dc.date.available2023-10-06T05:20:42Z-
dc.date.issued2022-
dc.identifier.citationFundamental Research, 2022-
dc.identifier.issn2096-9457-
dc.identifier.urihttp://hdl.handle.net/10722/333573-
dc.description.abstractWaste is the bridge linking resource consumption and greenhouse gas generation, and waste landfills are the main anthropogenic source of methane (CH4). The United States (US)–China Joint Glasgow Declaration and the Global Methane Pledge are committed to reducing tractable CH4 emissions; however, differences between the involved countries as well as their generation forecast processes have hampered cooperation. In this study, we provide a deep insight into CH4 emissions from municipal solid waste (MSW) landfills and identify the disparities in CH4 emissions with local socio-economic conditions. The US and China, the world's two largest economies, generated approximately 3.73 and 1.48 million tonnes of CH4 from 1248 to 1955 landfills in 2012 using the FOD/bottom-up method, with corresponding 26.93 and 11.94 kg per tonne waste and emission value from each landfill ranging between 100 and 105 and 10−5–105 tonnes. The spatial distribution was also quantified and compared with national, state/province, and urban agglomeration perspectives based on historical MSW variations (1990–2015) to clarify the triangular relationship between the economic situation, waste properties, and landfill CH4 emissions. High-density CH4 emission regions spatially overlapped with highly developed urban agglomerations, positively correlated with the local gross domestic product (GDP) and population (p < 0.01), with more emissions generated per thousand US dollars in the US (0.25 tonnes) than in China (0.16 tonnes). The US tertiary industry and China's secondary industry contributed to high CH4 emissions from the waste sector. The increase in tertiary industry might reduce the waste sector's CH4 emissions. This study will help to understand this new triangular relationship and predict future patterns of CH4 emissions.-
dc.languageeng-
dc.relation.ispartofFundamental Research-
dc.subjectBig disparities-
dc.subjectLandfill CH emissions 4-
dc.subjectMunicipal solid waste-
dc.subjectSocio-economic conditions-
dc.subjectThe United States and China-
dc.titleBig disparities in CH<inf>4</inf> emission patterns from landfills between the United States and China and their behind driving forces-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.fmre.2022.08.006-
dc.identifier.scopuseid_2-s2.0-85145296323-
dc.identifier.eissn2667-3258-

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