Explanipedia

The Circular Economy and Climate Change: The State of National and Global Evidence on Mitigation Potential Open

Dominik Wiedenhofer, Hanspeter Wieland, Sina Leipold, Chika Aoki‐Suzuki, Takuma Watari , et al. · 2025

While global resource use and GHG emissions keep increasing, the circular economy (CE) has ascended to the forefront of global policy, business and research agendas. Through narrower, slower, and more closed material cycles, the CE aims to…

Regional Insights on the Usage of Single-Use Plastics and Their Disposal in Five Asian Cities Open

Chen Liu, Qiannan Zhuo, Yujiro Ishimura, Yasuhiko Hotta, Chika Aoki‐Suzuki , et al. · 2025

Single-use plastics (SUPs) are deeply embedded in everyday consumption in rapidly developing Asian cities, yet their widespread use contributes to marine debris, microplastic pollution, and health risks. This study aimed to inform evidence…

Regional Insights into Single-Use Plastic Usage and Disposal: A Comparative Study of Five Asian Cities Open

Chen Liu, Qiannan Zhuo, Yujiro Ishimura, Yasuhiko Hotta, Chika Aoki‐Suzuki , et al. · 2025

Plastic pollution is a critical issue in rapidly developing cities. A nuanced understanding of consumer behavior related to single-use plastic (SUP) usage is therefore essential for effective interventions, in light of the global plastic t…

The Circular Economy and Climate Change: The State of National and Global Evidence on Mitigation Potential Open

Dominik Wiedenhofer, Hanspeter Wieland, Sina Leipold, Chika Aoki‐Suzuki, Oreane Y. Edelenbosch , et al. · 2025

Unpacking the path toward a sustainable circular economy through industrial ecology Open

Magnus Fröhling, Chika Aoki‐Suzuki, Bhavik R. Bakshi, Sina Leipold, Xin Tong , et al. · 2024

As the global environmental and climate crisis is accelerating and more and more planetary boundaries are crossed (Richardson et al., 2023), transformative approaches addressing "all aspects of society" (IPCC, 2022) are needed. The circula…

Repair Measures and Related Initiatives for Circular Economy Policies in Europe Open

Chika Aoki‐Suzuki · 2024

本稿では,EU・一部の欧州国の修理に関する各種施策や取り組みについて整理を行い,修理事業・修理行動のさらなる促進に向けて,修理の障壁と政策とのギャップについて触れた。

Indicator Development and Integrated Assessment of Environmental, Economic, and Social Aspects for Establishing a Sound Material-cycle Society Open

Seiji Hashimoto, Yasushi Kondo, Chika Aoki‐Suzuki, Hiroki Tanikawa, Shigesada TAKAGI , et al. · 2024

本稿は、環境研究総合推進費（JPMEERF20193002）による研究成果の概要を報告するものである。当該研究では、第 1 に、物質ライフサイクルの 6 つの断面（環境からの資源投入、生産工程への原材料投入、生産工程での原材料利用、製品の使用、使用済み製品の処理、環境への廃物廃棄）に基づいて物質フロー・ストックの指標群を提案した。主要な素材について物質フローデータベースを構築し、主要な指標を適用してその有用性を示した。第 2 に、環境・経済・社会に対する統合的な取組を評価す…

Comparing clubs: Analyzing ambitions in the G7 and the G20 Open

Simon Høiberg Olsen, Eric Zusman, Charlotte Unger, Erin C. Kawazu, Nobue Amanuma , et al. · 2023

Mini-lateral ‘clubs’ occupy an increasingly prominent place in the international environmental governance landscape. Yet few studies have looked at how differences between clubs influence the results they produce. This paper aims to fill t…

International Trends in Textile Circulation Open

Chika Aoki‐Suzuki · 2023

本稿では，EUエコデザイン規則案，テキスタイル戦略やフランス，オランダ等のテキスタイル資源循環に関連する取り組み，民間セクターのテキスタイルの環境配慮に関する各種イニチアチブの概要を取りまとめ，最近のテキスタイルと循環経済にまつわる関連国際動向について議論した。

Assessing economy-wide eco-efficiency of materials produced in Japan Open

Chika Aoki‐Suzuki, Sébastien M.R. Dente, Seiji Hashimoto · 2023

Reducing environmental impacts related to resource use has been considered a significant challenge for sustainable development, but methodologies to assess national level impact decoupling have not been established adequately. For this, an…

Comparing Clubs: Analyzing Ambitions in G7 and G20 Open

Simon Høiberg Olsen, Eric Zusman, Charlotte Unger, Matthew Hengesbaugh, Nobue Amanuma , et al. · 2023

Total environmental impacts of Japanese material production Open

Chika Aoki‐Suzuki, Sébastien M.R. Dente, Daisuke Tanaka, Chihiro Kayo, Shinsuke Murakami , et al. · 2021

Decoupling well‐being from resource use and its associated environmental impacts through resource efficiency and circular economy has become the mainstream agenda for sustainable development. Resource productivity and material flow indicat…

The EU Plastic Strategy and Relevant Policy Trends and Initiatives for a Circular Economy Open

Chika Aoki‐Suzuki, Yoshinori Morita · 2018

本稿では，EUプラスチック戦略，EU廃棄物改正指令内容や欧米企業動向を整理し，最近の循環経済関連国際動向について議論した。プラスチック使用・生産増加の一方で，低リサイクル率や海洋環境への影響を背景に，発生抑制，再使用やリサイクルの大幅促進により環境影響を低減し，かつ，経済成長やパリ協定達成に向けた温室効果ガス (GHG) 排出削減につなげるEUの狙いが明確に反映された戦略といえる。これを，プラスチック容器包装材への高いリサイクル率を含む改正指令が支える。戦略には，拡大生…

Indicators and Target Setting for Resource Efficiency and Circular Economy Policies in Europe Open

Chika Aoki‐Suzuki · 2017

本稿では，欧州における資源効率性・循環経済に関する指標や目標に関して包括的な理解を深めるため，議論の経緯や現在の検討状況，欧州各国の資源生産性指標の目標設定状況等を整理し，政策背景や指標体系の特徴等を分析した。 EU における指標と目標は，2005 年天然資源の持続可能な利用に関する戦略から，2011 年資源効率的な欧州・同ロードマップ，2014/2015 年循環経済政策まで継続的に議論されている。最新政策の循環経済行動計画では，循環経済のためのモニタリング枠組みの開発が提…

International Policy Trends of Resource Efficiency・Circular Economy Open

Chika Aoki‐Suzuki · 2016

Objective. The objective of paper is to explore the international trends of Resource Efficiency and Circular Economy, focusing on the policy development of Europe as well as the work of International Resource Panel and Organisation of Econ…

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