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Fujii Lab
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The lab explores a sustainable society through the lens of water and the environment.

AboutAbout the lab
Exploring sustainability through water and the environment.
Fujii Lab explores what a sustainable society should look like, through the lens of water and the environment.
The lab conducts research in environmental engineering, including watershed environmental conservation, biogeochemical cycling, and water use and treatment.
It combines this with challenges such as climate change, biodiversity loss, and sustainable development, and carries out research that crosses disciplinary boundaries.
In addition to experiments, the lab uses theoretical calculations such as AI, data science, and quantum chemistry.
Key terms
- Biogeochemical cycling
- The flow of substances such as carbon, nitrogen, and iron as they move through nature via water and living organisms
- Per- and polyfluoroalkyl substances (PFAS)
- A collective name for fluorine-containing compounds that resist breakdown and persist in the environment
- Anthropocene
- A term for the present era, in which human activity has greatly changed the Earth's environment
NewsLab news
International Graduate Program (IGP-A): Recruiting students for September 2026 admission
International Graduate Program (IGP-C): Recruiting students for April 2026 admission
ResearchResearch themes
In addition to environmental engineering research on watershed environmental conservation, biogeochemical cycling, and water use and treatment, the lab conducts interdisciplinary research that incorporates climate change, biodiversity loss, the globalization of society, and sustainable development. In addition to experiments, the lab also uses AI, data science, and theoretical calculations.
*Illustrative imageWater environment assessment technologies
Beyond organic pollution and eutrophication, the extent of contamination by trace organic substances, per- and polyfluoroalkyl substances (PFAS), and microplastics has also become clear in recent years. The lab develops new technologies for assessing water quality and ecosystem health, and proposes watershed land use that enables desirable cycles.
*Illustrative imageWater treatment technologies
Delivering safe drinking water and treating wastewater without burdening the environment are important social responsibilities of water infrastructure. The lab develops water treatment technologies with low environmental and energy burdens, with the aim of achieving sustainable water use in both developed and developing countries.
*Illustrative imageSustainability assessment
To address the challenge of the "transition to a sustainable society" that humanity faces in the Anthropocene, the lab pursues interdisciplinary research that integrates all fields. Its work includes assessing the impact of the COVID-19 pandemic on progress toward the SDGs.
MembersFaculty
The members of Fujii Lab include faculty, postdoctoral researchers, doctoral, master's, and undergraduate students, exchange students from abroad, and technical and administrative support staff.As of 2026
- Associate ProfessorManabu FujiiPublications ↗
VoicesStudent voices
Compiled from answers by students who were in the lab. Ratings and reviews reflect individual students' experiences, not the lab's official views.
Students who take part in an interview may receive a thank-you gift worth ¥1,000, regardless of what they say.
On a 4-point scale, ● marks where students' answers fall
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Takahashi LabSchool of Environment and Society, Department of Civil and Environmental EngineeringGeotechnical engineering, disaster prevention engineeringThe information on this page is compiled by the LabLog team from the lab's public information and interviews. For corrections or removal requests, please contact LabLog, not the lab.
Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Aeration tank activated sludge process STP Bengaluru India” Vraj Acharya, WELL Labs / CC BY-SA 4.0 (cropped)
- Water environment assessment technologies: “The River Bank - geograph.org.uk - 596237” Peter Church / CC BY-SA 2.0 (cropped)
- Water treatment technologies: “Reverse osmosis desalination plant” James Grellier / CC BY-SA 3.0 (cropped)
- Sustainability assessment: “Wikimania 2019 sustainable development goals card” Ranjithsiji / CC BY-SA 4.0 (cropped)
- Related lab (吉村研究室): “Tama River, Japan; August 2016 (02)” 雷太 / CC BY 2.0 (cropped)
- Related lab (花岡研究室): “Container-Terminal Bremerhaven 02” H. Zell / CC BY-SA 3.0 (cropped)
- Related lab (室町研究室): “Bicycles and pedestrians ( )” Keiichi Yasu / CC BY-SA 2.0 (cropped)
- Related lab (高橋研究室): “Full breach at levee L-575 near Hamburg” US Army Corps of Engineers from USA / CC BY 2.0 (cropped)
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