研究成果 Research Results

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. 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

Research ResultsPhysics & ChemistryEnvironment & Sustainability

For long plant life, the secret is in DNA repair Researchers find high copy number of DNA repair genes in long-lived trees 2022.03.31

Research ResultsEnvironment & Sustainability

Visible ocean plastics just the tip of the iceberg Simulations find the majority of ocean plastics may be on the seafloor or otherwise difficult to monitor, with vastly more plastic waste likely trapped on land 2022.03.18

Research ResultsTechnologyEnvironment & Sustainability

Getting more power from renewable-based microgrids Novel and low-cost control scheme that increases power extracted from local renewable sources could help accelerate utilization of renewable energy in buildings 2022.01.31

Research ResultsEnvironment & Sustainability

Twenty-four trillion pieces of microplastics in the ocean and counting Researchers publish most detailed dataset to date for assessing the amount of microplastics in the world's oceans and their effects on marine life 2021.10.27

Research ResultsPhysics & ChemistryTechnologyEnvironment & Sustainability

Low-cost, continuous seismic monitoring system to support emission reduction efforts New system enables closer monitoring of underground activity in geothermal reservoirs and sequestered carbon dioxide for improved safety and efficiency 2021.10.08

Research ResultsHumanities & Social SciencesEnvironment & Sustainability

In the race to reduce car emissions, don't forget longevity Extending car lifetime and first-owner possession length can reduce overall emissions more than accelerating replacement according to new study 2021.09.24