Changes in Research Trends and Topics on Carbon Neutrality Before and After the 2016 Paris Agreement

Carbon neutrality has become a critical global objective that influences climate governance and shapes research trends, particularly in G20 nations. This study systematically analyzes how academic research on carbon neutrality has evolved in these countries by comparing the periods before and after...

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Main Authors: Insung Hwang, Woojun Jung, Keuntae Cho
Format: Article
Language:English
Published: IEEE 2025-01-01
Series:IEEE Access
Subjects:
Online Access:https://ieeexplore.ieee.org/document/11052215/
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author Insung Hwang
Woojun Jung
Keuntae Cho
author_facet Insung Hwang
Woojun Jung
Keuntae Cho
author_sort Insung Hwang
collection DOAJ
description Carbon neutrality has become a critical global objective that influences climate governance and shapes research trends, particularly in G20 nations. This study systematically analyzes how academic research on carbon neutrality has evolved in these countries by comparing the periods before and after the 2016 Paris Agreement. A quantitative bibliometric analysis, combined with latent Dirichlet allocation (LDA) topic modeling, was conducted on 2,376 peer-reviewed articles published between 2005 and 2023; these were retrieved from the Web of Science database. The findings indicate a significant increase in research volume and notable thematic shifts following the Paris Agreement, moving from technology-oriented topics towards comprehensive, policy-driven themes such as renewable energy integration, regulatory frameworks, economic incentives, and urban sustainability. Country-specific comparisons highlight various national emphases. China has intensified its research on industrial decarbonization and sustainable economic strategies. The United States has emphasized renewable energy technologies and economic viability. The European Union has focused on urban innovation, regulation, and green finance. Japan has prioritized catalytic processes and industrial efficiency. Finally, South Korea has integrated technological advancements with practical urban applications. These results underscore the need for tailored national policies that leverage economic strengths complemented by intensified international collaboration, including technology transfer and green finance.
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spelling doaj-art-c41186a7a8584fb2bb662bdbb9af1f672025-08-20T03:43:55ZengIEEEIEEE Access2169-35362025-01-011313352513354510.1109/ACCESS.2025.358343811052215Changes in Research Trends and Topics on Carbon Neutrality Before and After the 2016 Paris AgreementInsung Hwang0https://orcid.org/0009-0003-1110-2440Woojun Jung1https://orcid.org/0009-0005-1495-0167Keuntae Cho2https://orcid.org/0000-0002-9754-1860Department of Industrial Engineering, Sungkyunkwan University, Suwon, Republic of KoreaDepartment of Industrial Engineering, Sungkyunkwan University, Suwon, Republic of KoreaDepartment of Systems Management Engineering, Sungkyunkwan University, Suwon, Republic of KoreaCarbon neutrality has become a critical global objective that influences climate governance and shapes research trends, particularly in G20 nations. This study systematically analyzes how academic research on carbon neutrality has evolved in these countries by comparing the periods before and after the 2016 Paris Agreement. A quantitative bibliometric analysis, combined with latent Dirichlet allocation (LDA) topic modeling, was conducted on 2,376 peer-reviewed articles published between 2005 and 2023; these were retrieved from the Web of Science database. The findings indicate a significant increase in research volume and notable thematic shifts following the Paris Agreement, moving from technology-oriented topics towards comprehensive, policy-driven themes such as renewable energy integration, regulatory frameworks, economic incentives, and urban sustainability. Country-specific comparisons highlight various national emphases. China has intensified its research on industrial decarbonization and sustainable economic strategies. The United States has emphasized renewable energy technologies and economic viability. The European Union has focused on urban innovation, regulation, and green finance. Japan has prioritized catalytic processes and industrial efficiency. Finally, South Korea has integrated technological advancements with practical urban applications. These results underscore the need for tailored national policies that leverage economic strengths complemented by intensified international collaboration, including technology transfer and green finance.https://ieeexplore.ieee.org/document/11052215/Carbon neutralityG20research trendsbibliometric analysistopic modelingParis agreement
spellingShingle Insung Hwang
Woojun Jung
Keuntae Cho
Changes in Research Trends and Topics on Carbon Neutrality Before and After the 2016 Paris Agreement
IEEE Access
Carbon neutrality
G20
research trends
bibliometric analysis
topic modeling
Paris agreement
title Changes in Research Trends and Topics on Carbon Neutrality Before and After the 2016 Paris Agreement
title_full Changes in Research Trends and Topics on Carbon Neutrality Before and After the 2016 Paris Agreement
title_fullStr Changes in Research Trends and Topics on Carbon Neutrality Before and After the 2016 Paris Agreement
title_full_unstemmed Changes in Research Trends and Topics on Carbon Neutrality Before and After the 2016 Paris Agreement
title_short Changes in Research Trends and Topics on Carbon Neutrality Before and After the 2016 Paris Agreement
title_sort changes in research trends and topics on carbon neutrality before and after the 2016 paris agreement
topic Carbon neutrality
G20
research trends
bibliometric analysis
topic modeling
Paris agreement
url https://ieeexplore.ieee.org/document/11052215/
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