研究成果 Research Results

Research ResultsPhysics & ChemistryTechnologyEnvironment & Sustainability

Microwaving waste cooking oil into useful chemicals Researchers develop a zeolite catalyst that can be heated up using microwaves to speed up the conversion of fatty acid esters to olefins

Associate Professor Shuntaro Tsubaki

Faculty of Agriculture

2024.09.09

Research ResultsHumanities & Social SciencesEnvironment & Sustainability

Companies that mitigate climate change reduce their cost of capital Going green pays off. New research shows that when companies disclose their environmental impact—and work to mitigate it—they earn investor trust.

Professor Hidemichi Fujii

Faculty of Economics

2024.07.05

Research ResultsEnvironment & Sustainability

Early-onset El Niño means warmer winters in East Asia, and vice versa Analyzing 100 different climate simulations over the past 61 years to find how El Niño determines warm or cold winters in Japan

Post-doctoral Fellow Masahiro Shiozaki

Research Institute for Applied Mechanics

2024.07.03

Research ResultsMath & DataPhysics & ChemistryEnvironment & Sustainability

Earth and space share the same turbulence Researchers find that air turbulence in earth’s thermosphere is governed by the same principles as those in the troposphere

Professor Huixin Liu

Faculty of Science

2024.06.07

Research ResultsMath & DataEnvironment & Sustainability

Decarbonization dynamics: new analysis unveils shifting trends in the voluntary carbon offset market A worldwide analysis into the factors underlying which types of carbon offset programs are prioritized could provide important insights for combatting climate change

Professor Hidemichi Fujii

Faculty of Economics

2024.05.20

Research ResultsMath & DataEnvironment & Sustainability

What is the carbon footprint of a house in Japan? Researchers identify the emission hotspots in the supply chain when building a house in Japan

Professor Shigemi Kagawa

Faculty of Economics

2024.05.16

Research ResultsMath & DataEnvironment & Sustainability

How extratropical ocean-atmosphere interactions can contribute to the variability of jet streams in the northern hemisphere Researchers highlight the newfound significance of communication between atmosphere and oceans 2024.03.29

Research ResultsMath & DataEnvironment & Sustainability

Japan's electric vehicle transition by 2035 may be insufficient to combat the climate crisis, but there are solutions Japan must simultaneously move to extend vehicle longevity, invest in a cleaner energy mix, and decarbonize the supply chain to reach their climate goals 2024.02.07

Research ResultsHumanities & Social SciencesLife & HealthEnvironment & Sustainability

Sika Deer Overpopulation Endangers Beech Forests in Southern Kyushu, Japan A new study reveals how soil erosion caused by sika deer foraging reduces the growth of the beech trees. 2024.01.26

Research ResultsMaterialsTechnologyEnvironment & Sustainability

Machine learning method speeds up discovery of green energy materials Researchers ditch “trial and error” and turn to machine learning to identify two uniquely structured proton-conducting oxides – a key material needed in hydrogen fuel cells.

Professor Yoshihiro Yamazaki

Kyushu University Platform of Inter/Transdisciplinary Energy Research (Q-PIT)

2024.01.18

Research ResultsEnvironment & Sustainability

Investigating the role of greener plastics for Japan’s carbon neutral goals Japan’s plastic problem is a huge barrier to carbon neutrality. Could bioplastics and recycled plastics be the answer? 2023.09.26

Research ResultsEnvironment & Sustainability

16 strange new parasitoid wasp species discovered in Vietnam A field survey in Vietnam searching for Loboscelidia, a rare group of parasitoid wasps, has increased the total known number of species worldwide by 30% and uncovered their unique egg-burying behavior. 2023.09.19

Research ResultsHumanities & Social SciencesEnvironment & Sustainability

Do investors incorporate financial materiality of environmental information in their risk evaluation? Evaluating a company’s environmental performance based on financial materiality provides a better perspective for investors to understand the environmental risk involved. 2023.07.07

Research ResultsMath & DataMaterialsEnvironment & Sustainability

How old is that microplastic? A new way to estimate the age of microplastics in the upper ocean Researchers develop a method to estimate the age of microplastics in the ocean, and find that offshore microplastics can range from 1 to 3 years old while nearshore microplastics can range from 0 to 5 years old 2023.05.15

Research ResultsHumanities & Social SciencesEnvironment & Sustainability

Sustainable development in Africa shaped by subnational administrative capabilities Rapid economic growth in Africa is raising concerns over the sustainability of its development. Through effective evaluation with the inclusive wealth index, regional inequalities of natural resources, produced and human capital are elucidated. 2023.04.06

Research ResultsHumanities & Social SciencesEnvironment & Sustainability

The spillover effects of rising energy prices following 2022 Russian invasion of Ukraine 2023.02.03

Research ResultsPhysics & ChemistryTechnologyEnvironment & Sustainability

Scientists count electric charges in a single catalyst nanoparticle down to the electron Tenfold improvement in the sensitivity of electron holography reveals the net charge in a single platinum nanoparticle with a precision of just one electron, providing fundamental information for developing future catalysts 2022.10.14

Research ResultsPhysics & ChemistryMaterialsTechnologyEnvironment & Sustainability

A little strain goes a long way in reducing fuel cell performance Small changes in crystal structure at the interface between materials in ceramic fuel cells linked to drastic changes in conductivity that must be overcome to improve performance 2022.09.09

Research ResultsHumanities & Social SciencesTechnologyEnvironment & Sustainability

Digging through patents to make mining greener Researchers identify R&D strategies for greener tech in the mining sector 2022.08.24

Research ResultsHumanities & Social SciencesEnvironment & Sustainability

Listening to the people results in a more sustainable future energy system Energy plan for 2050 based on consumer preferences and future demographics of the US population includes 50% more electricity derived from renewable sources than current projections 2022.07.29