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SADCにおける都市成長率が炭素フットプリントに与える動態

The dynamics of urban growth rate on carbon footprints in the SADC (原題)

Simon Osiregbemhe Ilogho, Heinz Eckart Klingelhöfer

Humanities and Social Sciences Letters📚 査読済 / ジャーナル2026-08-31#気候科学Origin: Global
DOI: 10.18488/73.v14i3.5134
原典: https://doi.org/10.18488/73.v14i3.5134
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🤖 gxceed AI 要約

日本語

本研究は、南部アフリカ開発共同体(SADC)の13か国を対象に、2002年から2022年のデータを用いて、都市成長率が一人当たり炭素排出量に与える影響を分析した。3つの都市成長指標を用いたパネルEGLS推定の結果、いずれも排出量への影響は無視できるほど小さく、都市拡大が炭素排出増加に寄与していないことが示された。このため、政策立案において都市成長動態を考慮する必要性は低いと結論づけている。

English

This study analyzes the impact of urban growth rates on per capita carbon emissions across 13 SADC countries from 2002 to 2022. Using panel EGLS with three urban growth proxies, the results show negligible effects, suggesting urban expansion has not contributed to increased emissions. The authors conclude that policies for sustainable production need not account for specific urban growth dynamics.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本のGX文脈では、都市成長と排出の関係は成熟都市では異なるが、アフリカの実証データは国際比較や途上国支援策の参考になる。日本の企業がSADC諸国で事業展開する際の排出削減戦略に示唆を与える。

In the global GX context

This paper contributes to global GX scholarship by providing empirical evidence from an understudied region (SADC). It challenges assumptions about urbanization and emissions, offering insights for climate policy in developing regions and for international frameworks addressing urban sustainability.

👥 読者別の含意

🔬研究者:Provides empirical evidence on urbanization-emissions nexus in SADC, useful for comparative studies.

🏛政策担当者:Informs regional climate policy that urban growth dynamics may not be a key driver of emissions in SADC.

📄 Abstract(原文)

This paper examines the influence of urban growth rates on per capita carbon emissions across 13 member countries of the Southern African Development Community (SADC), by examining urban growth dynamics with data from 2002 to 2022. Urban growth rate is captured through three separate indicators: urban growth, the urban-to-rural population growth ratio, and the urban-to-total population growth ratio. Data analysis was conducted employing the Panel Estimated Generalised Least Squares (EGLS) method, specifically the cross-sectionally seemingly unrelated regression (SUR) method. The results from the empirical analysis showed that all three urban growth rate proxies exert negligible influence on carbon emissions per capita, suggesting that urban expansion within the SADC region has not substantially contributed to increased carbon emissions over the years examined. Therefore, given the continuing rise in urban populations across Southern Africa and the accompanying escalation in carbon footprints, institutional and managerial policies promoting environmentally sustainable production to lower carbon emissions per head may not need to account for specific urban growth dynamics such as those examined in this study. However, accounting for specific urbanisation characteristics should be based on preference and what might be fundamental and material to an organisation or institution, provided cost does not outweigh the benefit.

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