Senior Research Manager
Research Topics & Areas of Expertise
Her current research is mainly on 3R policies and municipal solid waste management, food waste, single-use plastics, and sustainable food consumption and production in Asian countries.
Education
BS / Jul. 1994 Environmental Science of Nankai University, Tianjin, China
MD / Mar. 1998 Human and Environmental Studies of Kyoto University, Kyoto, Japan
PhD / Mar. 2001 Biosphere Informatics of Kyoto University, Kyoto, Japan
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Policy Report
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...
Policy Brief
Single-use plastics (SUPs) remain a major contributor to environmental degradation in ASEAN+3 despite a decade of national bans, regional declarations, and growing circular economy commitments. Yet most policy frameworks continue to rely on product-focused interventions – bans, charges, and recycling mandates – without adequately considering the...
Policy Report
Editor:
OECD
Southeast and East Asia play a pivotal role in global efforts to end plastic pollution. ASEAN Plus Three countries are at the heart of this region, represented by the 10 Member States of the Association of Southeast Asian Nations, Japan, Korea and the People’s Republic of China (hereafter, China). This region has become a hotspot for plastic...
Peer-reviewed Article
In Sustainability
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-based policymaking to mitigate marine plastic pollution in the ASEAN+3 region. Stratified random sampling...
Presentation
ISIE SEM/AP 2024 Conference
Anaerobic digestion (AD), also known as biogas technology, is an optimal alternative for municipal organic waste (MOW) treatment due to its capability to recover both material and energy from waste. This study focuses on Minamisanriku Town, where public-private partnerships have promoted the utilization of MOW (kitchen/food waste and surplus sludge...
Peer-reviewed Article
In Sustainability
Anaerobic digestion (AD), or biogas technology, is an optimal method for municipal organic waste (MOW) treatment, recovering both material and energy. This study takes a life cycle assessment perspective and examines the economic and environmental impacts of a BIO facility in Minamisanriku Town, Japan, which has utilized MOW (kitchen/food waste and...
Peer-reviewed Article
In Sustainability
The COVID-19 pandemic has led to a surge in face mask demand, resulting in increased face mask waste and environmental impacts. This study investigates mask usage patterns and the environmental impacts of single-use and cloth masks across three phases: pre-COVID-19, COVID-19, and the new normal. A comprehensive survey conducted in five cities...
Book Chapter
In 持続可能な社会づくりへの統合的アプローチ
第6章 持続可能な移行（トランジション）への入り口としての循環経済 三つの地球危機（気候変動，生物多様性，汚染）と循環経済との相互関係 海洋プラスチック問題の国際政策動向と循環経済への移行 脱炭素ライフスタイルのための地域社会の共創 結論：循環型で持続可能な社会経済を作るには
Book
今日、世界は、深刻化する気候変動や生物多様性の損失といった地球規模の諸課題に直面しています。それらの問題には多様な主体が関わっており、問題が生じる要因とその影響は相互に密接に関連しています。そのため、問題解決には、単一の学問領域のみならず複数の学問領域の科学知の動員と社会との連携が不可欠です。本書は、環境・社会・経済の諸課題を俯瞰し、科学と政策を結び付け、持続可能な社会への変革を促すためにIGESが重視する「統合的アプローチ」を解説します。前半では統合的アプローチの背景とこれを構成する7つのプロセスを詳述し、後半の第4章以降ではそれぞれ同アプローチの実践例として、持続可能な開発目標（SDGs）の取り組みを加速するシナジーの強化、国・自治体・アジア都市のネット...
Training or Learning Material
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...
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Project
Updated: March 2026
IGES Plastic Focus: Tackling Pollution and Advancing Circular Solutions
This special webpage highlights global developments in addressing plastic pollution, focusing on the growing importance of the circular economy as a solution. It also showcases IGES contributions to this agenda, including its environmental policy...