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The circulating and ecological sphere (CES) concept promotes a self-reliant decentralised society by utilising regional resources to achieve decarbonisation. The concept is particularly relevant to depopulated areas across Japan facing a continuous increase of underutilised agricultural land that brings environmental, social and economic challenges...

北九州市は、市内の温室効果ガス（GHG）排出削減目標を掲げるだけでなく、アジア地域への貢献目標も掲げている。それは、アジア地域で、2050年までに、2013年度の市内のGHG排出量の150％以上に相当する排出量の削減を目指す（以下、「150％削減目標」という。）というものである。環境国際協力に長年取り組んできた「世界の環境首都」として、気候変動対策のようなグローバルイシューにも市内外で積極的に貢献していく姿勢を見せている。 本稿は、北九州市の「150％削減目標」の意義や、その目標達成に向けたアプローチを確認した上で、政策効果の「見える化」の方法論について検討を行った。「150％削減目標」が数値目標であることを踏まえ、北九州市の取り組みのうちGHG排出削減量を把握できそうなものを特定し...

EUとドイツのエネルギ－転換と水素戦略：ガイヤーEU議会議員（独・社会民主党）にロシアのウクライナ侵攻後の動向を聞く

Coastal social-ecological systems (SES) are essential for the wellbeing of coastal communities and the wider society. However, in many parts of the world coastal SES face rapid change, and ultimately degradation. In this paper we unravel the mechanisms and implications of change in coastal SESmobilising multiple sources of knowledge, including...

Study region: Bosten Lake (Xinjiang, China). Study focus: This paper mainly focuses on quantifying changes in water storage of Bosten Lake using multi-mission satellite data. From Landsat images, we firstly extracted the lake area changes between 2003 and 2022 with the help of the modified normalized difference water index (MNDWI); Secondly, we...

Recent studies have highlighted the significant role of lifestyle changes in achieving climate change targets. However, implementing substantial changes in people’s lifestyles is challenging due to the varying availability of goods and services and the influence of the surrounding environment. To address this challenge and promote low-carbon and...

四日市コンビナートの夜景クルーズ

The Climate Citizens’ Assembly Kawasaki (CCAK) was implemented in mid-2021 to produce recommendations for the local government to incorporate into its basic climate plan. The CCAK was a full-scale initiative conducted by a non-public entity, and successfully came up with 77 recommendations on mobility, housing and consumption. However, there are a...

Rapid economic development has led to an overwhelming surge in waste generation, demanding urgent and comprehensive waste management solutions, particularly in developing countries. Source separation is a critical and indispensable step in integrated waste management and is featured as a government-led pattern in general. However, its...