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Environments
Special Issues
Greenhouse Gas Emission Reduction and Green Energy Utilization, 2nd Edition
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Greenhouse Gas Emission Reduction and Green Energy Utilization, 2nd Edition

A Special Issue of Environments (ISSN 2076-3298).

Deadline for manuscript submissions: closed (15 December 2025) | Viewed by 1795

Editors

Dr. Syu-Ruei Jhang

E-Mail Website
Guest Editor
Department of Safety, Health and Environmental Engineering, National United University, Miaoli 360301, Taiwan
Interests: greenhouse gas fluxes study; air pollution control; life cycle assessment; green energy
Special Issues, Collections and Topics in MDPI journals
Dr. Yu-Lun Tseng

E-Mail Website
Guest Editor
Institute of Environmental Engineering, National Sun Yat-sen University, Kaohsiung 804201,Taiwan
Interests: air quality monitoring and management; greenhouse gas monitoring; source apportionment of atmospheric pollution; atmospheric modeling simulation; pollution source tracking technologies; health hazards
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Currently, energy utilization is linked to various economic activities and environmental challenges, such as global climate change, air pollution, forest destruction, ozone depletion, acid precipitation, greenhouse gasses (GHGs), water and land use, wildlife loss, and radioactive emissions. In order to reach a promising and brighter energy future while mitigating environmental burdens, these challenges need to be addressed together. For this purpose, we should turn our thinking toward green energy utilization, which could reduce the associated environmental, economic, and social issues.

Therefore, we kindly invite contributions addressing different current topics related to green energy utilization and their impact on GHGs and energy use, as well as emission impacts, alternative and green fuel applications, emission control strategies, and comparative assessments of energy use and energy consumption from a policy perspective.

The publications in the first edition, which we believe may be of interest to you, can be found here: https://www.mdpi.com/journal/environments/special_issues/B7BN5Q27A5.

Dr. Syu-Ruei Jhang
Dr. Yu-Lun Tseng
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Environments is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • greenhouse gasses (GHGs)
  • green energy
  • emission reduction
  • emission control strategies
  • alternative and green fuel applications

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Published Papers (1 paper)

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Research

17 pages, 503 KB  
Article
Structural Changes in National Greenhouse Gas Intensity:Development of a Composite GHG Intensity Index for OECD Member Countries (2000–2020)
by Soongil Kwon, Hyewon Kim, Chiung Ko and Yoon-Seong Chang
Environments 2026, 13(4), 190; https://doi.org/10.3390/environments13040190 - 1 Apr 2026
Viewed by 1195
Abstract
This study assesses long-term structural changes in greenhouse gas (GHG) intensity across 38 OECD member countries over the period of 2000–2020 using a multidimensional Z-score standardization framework. GHG intensity was measured using three activity-based indicators—emissions per unit of land area, per capita emissions, [...] Read more.
This study assesses long-term structural changes in greenhouse gas (GHG) intensity across 38 OECD member countries over the period of 2000–2020 using a multidimensional Z-score standardization framework. GHG intensity was measured using three activity-based indicators—emissions per unit of land area, per capita emissions, and emissions per unit GDP—which were then aggregated into a Composite GHG Intensity Score (GHGIS) to facilitate cross-country comparison while accounting for differences in territorial scale, demographic structure, and economic output. The results reveal substantial heterogeneity in both the level and trajectory of composite GHG intensity across OECD member states. Countries such as Sweden (ΔScore = −0.84) and Denmark (ΔScore = −0.67) demonstrated a decrease in GHGIS, reflecting relative improvements in emission efficiency, while Korea (ΔScore = +0.92) and Türkiye (ΔScore = +1.15) recorded positive shifts in relative positioning over the study period. Several countries, including the United Kingdom, Germany, Japan, and Israel, exhibited divergent trends across land-, population-, and GDP-based measures, highlighting the multidimensional nature of national emission structures. These findings demonstrate that relative changes in GHG intensity vary across structural dimensions and cannot be adequately characterized by single-indicator measures alone. While the analysis does not identify causal drivers of observed patterns, the standardized composite framework provides a transparent and replicable tool for examining long-term comparative shifts in multidimensional emission intensity. By applying a consistent methodology across all OECD member countries over two decades, the study contributes to comparative assessments of structural GHG intensity dynamics. Full article
(This article belongs to the Special Issue Greenhouse Gas Emission Reduction and Green Energy Utilization, 2nd Edition)
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