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This research investigates the potential of utilizing recycled concrete aggregate (RCA) and recycled sand (RS), derived from crushed concrete cubes, as sustainable alternatives in construction materials. The study comprehensively evaluates the properties of RCA and RS, focusing on workability, impact resistance, abrasion resistance, and compressive...

地球規模で進む気候変動は、気象の激甚化、そして洪水や干ばつなどの自然災害を世界各地で引き起こし、新たな人道危機を生み出している。すでに社会基盤が脆弱化している紛争下の人々にとって、気候変動はリスクを増幅させる要因にもなっている。気候変動の負の影響が人類の発展や国際政治・経済の安定を阻むこの気候危機とも呼ばれる状況は、「気候安全保障」という視点から捉えることができる。人間の安全保障を掲げて開発援助に注力する日本にとって、気候危機下の人道支援の現状を分析・評価することは、今後の外交政策を展望する上で必須の課題だと言えるだろう。 気候安全保障は「日本国内に直接生じる安全保障リスク」と「日本国外で生じる安全保障リスクから波及して生じる日本の安全保障リスク」の２つに分類できる。本稿では...

Globally, mangroves have been promoted to protect the coastal ecosystems and human settlements against weather vagaries including climate change impacts. However, climate change can also affect the mangrove ecosystems, affecting their ability to mitigate losses and damages caused by climate change. Recognizing the need to understand the impact of...

Equity and fairness have a high significance in Disaster Risk Reduction and Climate Change Adaptation as it is evident that disasters affect communities differently depending on their developmental levels, and social status. Any public policy or intervention on disaster risk reduction deals with communities that are at different ‘starting lines’ in...

Although the suburbs of numerous cities worldwide are shrinking, research on how to address suburban decline remains scarce. This paper explores participatory mapping in shrinking suburbs as a tool to articulate knowledge co-creation between local officials and communities to inform planning decisions. The paper argues that participatory planning...

As the climate crisis worsens, the nexus between security considerations and climate is attracting both policy and academic attention. Despite its socio-political importance, the significance of considering climate change from a security and diplomatic perspective has not yet been fully explored in the policy arena and on-the-ground actions. The...

On 8 December 2023, the COP28 Japan Pavilion side event “Accelerating International Collaboration towards a Net-zero and Resilient ASEAN” was organised by the ASEAN Secretariat and the Ministry of the Environment, Japan (MOEJ), inviting ASEAN Member State (AMS) representatives, youth, and a European research organisation, and had a panel discussion...

The presentation provides a few insights based on IGES on ongoing projects in India. It was shared at the launch of Japan-India Sustainability Alliance (JISA) at Tsukuba University, Japan.

このカタログは、「1.5℃ライフスタイル」ワークショップと「脱炭素ライフスタイルチャレンジ」のために作成されました。 私たちの暮らしに関連して、地球温暖化の原因となる温室効果ガスが発生しています。温室効果ガスを計算するカーボンフットプリント（CFP）という数字で見ると、2015 年には、日本に住む私たちの暮らしに関連して、一人あたり年間7,100 キロの温室効果ガスが発生していました。地球温暖化を1.5℃に抑えるには、この数字を2030 年に2,500 キロ（約1/3）、2050 年に700 キロ（約1/10）まで減らす必要があります。 このカタログには、私たちの暮らしに関わる移動、エネルギー、食、製品、レジャーの５分野で、温室効果ガスを減らす暮らしの選択肢を記載しました。各ページには...

The presentation provided the global trend of the environmental crises and the preliminary research results on the current recognition and awareness on the environmental issues among the tourism industry and tourists in Mauritius and the potential changes towards a sustainable society. It also aimed to inform the usefulness of the sustainable...