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　本報告書は、令和７年度環境省「途上国における優れた脱炭素･低炭素技術の普及展開に向けた制度構築等支援委託業務」の業務報告書である。 　本業務は、二国間クレジット制度（JCM）を活用した優れた脱炭素・低炭素技術の展開及びJCM プロジェクトを契機とした横展開や普及拡大を更に強化していくため、途上国の長期戦略の策定支援、NDC 更新・実施支援や、脱炭素都市の形成に向けた取り組み支援を行うとともに、それらの国・ 都市の市場の状況を踏まえ、途上国や都市における新たな制度・規制等の構築や既存制度の改善に着手することを目的として、以下の４課題を行った。 I．各国のNDC 更新並びに各国等の長期戦略策定等を見据えたAIM を活用したシナリオ分析及び脱炭素化に向けた戦略・制度構築支援 II...

環境省業務「令和７年度途上国における適応M&Eツールの適応プロセス実装支援及び国際整合化検討業務」では、ユーザー対話型の適応のモニタリングと評価（M&E）ツール「Japan Adaptation Monitoring and Evaluation System」 （以下、「JAMES」）を開発途上国の諸都市における適応計画や防災計画等の気候変動適応推進プロセスに引き続き実装し、途上国の地域での適応プロセス推進を支援するとともに、国際援助機関や開発コンサルタント等が実施する支援事業とJAMESの連携可能性について検討を行った。併せて、2023年に国連気候変動枠組条約（UNFCCC）第28回締約国会議（COP28）で合意されたUAEフレームワークとの整合性を図りつつ、各国...

This research focuses on the global issue of heavy metal (HM) contamination in coastal systems and provides the first baseline investigation of the surface sediments in Tiruchendur Taluk, southern Thoothukudi, while evaluating potential sources and associated ecological risks. A total of 25 sediment samples were analyzed for particle size...

In climate-vulnerable coastal regions, left-behind family members often choose to stay despite having migration pathways through departed household members, challenging conventional theories of family reunification. This study examines the influence of psychosocial integration on non-migration aspirations among 411 left-behind households in coastal...

Many parts of India will require data-driven analysis of the climate, air quality, health, and employment co-benefits of key sectoral interventions as they decarbonize. This research offers such an analysis for agrivoltaics—an intervention that co-locates agriculture with solar energy production on the same parcel of land—in India’s Nagpur...

Climate variability poses a serious challenge to the sustainability of fragile mountain ecosystems where local livelihoods are closely dependent on natural resources. However, limited studies have examined long-term trends and local perceptions of climate variability in the north-eastern region of Dimapur district of Nagaland state in India. Thus...

The intensification of agriculture, coupled with unregulated fertilizer application and groundwater overexploitation, has led to widespread nitrate (NO3􀀀 ) contamination in many agrarian regions, including the Malwa region of Punjab, India. This study employs the Water Evaluation and Planning (WEAP) system to simulate the spatio-temporal evolution...

Bangalore, a rapidly urbanizing technological hub, faces escalating energy demands that require sustainable solutions. This study uses Google Earth Engine to assess Bangalore's solar energy potential through geospatial modeling and advanced suitability analysis. Utilizing high-resolution geospatial data, this study analyzed environmental and...

Agricultural smoke from rice residue fires is now regarded as a dominant source of India’s autumn haze. Yet, the degree to which yield-driven intensification amplifies this pollution remains uncertain. To assess this environmental issue, there is an urgent need to analyze long-term datasets and to develop fine-grained fire-severity mapping. This...

The global environmental governance landscape is undergoing a paradigmatic shift from state-centric pollution control to market-based Extended Producer Responsibility (EPR). This report provides an exhaustive analysis of the EPR landscape within the Indo-Pacific region, contrasting the mature, strict-liability frameworks of East Asia (Japan, South...