Publications

This discussion paper explores the concept of climate-induced mobility in the Asia-Pacific region and its implications for security, governance, and policy development. It highlights the growing recognition of climate mobility in international and regional policy frameworks, while emphasizing the absence of a comprehensive global legal regime to...

本研修は，2025 年1 月に実施したエジプトがパリ協定の下で強化された透明性枠組み「enhanced transparency framework (ETF)」に沿った国内システムを確立することを企図した国別研修の続編として，実施された．気候変動はエジプトを含む全世界の脅威であり，エジプトも加盟する気候変動枠組条約の下，2016 年に発効したパリ協定では，全ての国が「国が決定する貢献」（Nationally Determined Contributions; NDC）を作成し，自身が表明した温室効果ガス(GHGs)削減・抑制目標に沿って取組を進める必要がある．また，その進捗・結果をモニタリングし，2 年毎に透明性報告書（Biennial Transparency Report; BTR...

This discussion paper introduces the conceptual foundations and analytical framework of the Asia-Pacific Climate Security (APCS) briefing note series. It situates climate security within an evolving geopolitical context marked by intensifying climate impacts and growing challenges to multilateral cooperation. The paper examines how climate change...

2025 年 1 月の第 2 次トランプ政権発足以来、米大統領府は、'\リ協定脱退や石炭産業活性化に関する大統領令を相次いで発出し、米環境保護庁(EPA)は、温室効果ガスの影響に関する危険性認定を含む約 30 項目の環境規制の見直しを公表するなど、トランプ政権は、バイデン政権が進めてきた脱炭素政策からの全面的な見直しを目指しており、米国の環境、気候変動政策は大きく転換している。 また、トランプ政権は国連組織等の国際機関への拠出の一時停止や見直しを行うとともに、国務省、EPA、USAID をはじめとする連邦政府組織の見直し、大規模な人員削減を実施。USAID の機能停止により、世界各地での支援が停止するなど、世界中に影響が広がっている。 本業務では、こうした米国における環境...

This symposium discussed the challenges and opportunities of climate security and examined its continued relevance under a shifting geopolitical landscape in the Asia-Pacific region. The event presented an opportunity to take stock of the activities and achievements of the Asia-Pacific Climate Security (APCS) project conducted by IGES over the past...

Through a study of Ra Province (northeast Viti Levu Island, Fiji) involving both archival research and community engagement, we highlighted a long history of Indigenous population mobility. Many coastal settlements have mostly undocumented histories of relocating inland due to shoreline retreat and land loss over recent decades. Studies of...

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...

This chapter explores a decent climate policy in Japan against the background of the unfortunate current situation resulting from Japan’s unwise climate and energy policies to date. Japan experienced serious industrial pollution during its period of rapid economic growth from the 1960s onward, as exemplified by Minamata disease and Yokkaichi air...

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...

What a Waste 3.0 is the third edition of the World Bank Group’s What a Waste series, following the 2012 and 2018 publications. It updates and expands these earlier publications and provides a global reference dataset on municipal solid waste in the context of a transition toward circularity, drawing on the most recent publicly accessible data from...