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日本の農村部の主要な交通手段である自動車利用を支える地域のガソリンスタンドについて、その多くが地下タンクの老朽化などの課題を抱え、その更新に莫大な費用を要することから、設備の寿命や経営者の高齢化に伴い、突如として閉鎖・廃業する事例が増加している。地域内にガソリンスタンドが３か所以下の市町村（SS過疎地）数は全体の２割以上あり、その数は今後増加していくことが予想される。地域住民の移動手段を確保し、生活環境の改善や災害対応の責務を担う地方自治体にとって切実な地域課題であり、設備更新費用を自治体が負担したり、地域住民が共同で出資して運営を続ける事例がみられる。一方、ガソリンスタンドの設備更新は、化石燃料を使う仕組みの長期継続（ロックイン）につながりかねないため慎重な検討が必要である...

Achieving the 2030 Agenda requires comprehensive follow-up and review across all levels of government. Although local governments play a critical role in implementing the sustainable development goals (SDGs), their current follow-up and review architecture — conceived from a global perspective and tailored to national reporting — ignores local...

The knowledge product “Vulnerability of Highland Agriculture: Current and Future Climate Change Scenarios – Insights from Nan Province, Thailand” assesses how climate change is affecting smallholder highland farming systems in northern Thailand, with a detailed case study from Bua Yai subdistrict in Nan Province. Using climate projections, crop...

Climate Change Vulnerability Assessment in Highlands – A Guidance Manual (Knowledge Product 3 under ADB TA-9993 THA) provides a practical, step-by-step framework for designing and implementing climate change vulnerability assessments (VA) tailored specifically to highland contexts. Grounded in field testing in Thailand’s highlands, the manual...

025年7月19日、中国は雅魯藏布江（ヤルツァンポ川）下流における超大型水力発電プロジェクトの事業主体となる「中国雅江集団有限公司」を正式に設立した。国務院国有資産監督管理委員会（SASAC）管轄下の中央企業として第22位に登録されたこの新会社は、中国のエネルギー安全保障と気候変動対策における野心的な取り組みの象徴といえる。本プロジェクトは、第14次5カ年計画（2021-2025年）に明記された国家重点事業として位置づけられている。構想段階ではあるが、その規模は前例のないものだ。総投資額は1兆元を超えると推測され、これは三峡ダムの約5倍に相当する。発電能力は最大6,000万kW（60GW）、年間発電量3,000億kWhのポテンシャルを持つとされ、実現すれば三峡ダムの3倍の規模となる。

Microplastic pollution poses a significant threat to marine ecosystems, with land-based activities being the primary source. Wastewater treatment plants (STPs) and river systems act as key pathways, concentrating and transporting these plastics from urban areas to the sea. This presentation establishes a direct link between these sources and their...

Microplastic pollution poses a significant threat to marine ecosystems, with land-based activities being the primary source. Wastewater treatment plants (STPs) and river systems act as key pathways, concentrating and transporting these plastics from urban areas to the sea. This presentation establishes a direct link between these sources and their...

This paper examines the interplay between pro-growth and smart shrinkage planning approaches to persistent population decline in three small-sized Japanese municipalities: Yubari, Hokkaido; Suzu, Ishikawa Prefecture; and Manazuru, Kanagawa Prefecture. To articulate the extent to which shrinking cities deviate from historically normative pro-growth...

Many deindustrialised cities pivoted to services and tech, but Kitakyushu, Japan, took another path. Spurred by women-led “blue skies” activism, it leveraged its manufacturing heritage and pollution-control know-how to build a green industrial economy. The case shows how cities can turn crisis into advantage by building on local strengths and...

Decarbonizing transport systems is critical to a net-zero future. Explicitly factoring health co-benefits into urban climate/ transport plans could persuade decision-makers to adopt and implement the policies needed for such a future. Many studies have estimated the health benefits of transport policies with these ends in mind. However, how...