Welcome to the Institute of Environmental Science & Meteorology
Established in 2003, The Institute of Environmental Science & Meteorology, or IESM, is an academic unit of the College of Science in the University of the Philippines, Diliman.
IESM is committed to providing top-tier education in environmental and atmospheric sciences, equipping graduate students with the knowledge and skills needed to address environmental challenges in the Philippines and beyond.
IESM is a hub for innovative research in environmental science and meteorology, leading studies that advance our understanding of climate, weather systems, and sustainable development, both regionally and globally.
IESM plays a vital role in supporting national and regional efforts to mitigate environmental risks, offering expert guidance, and collaborating with government agencies and the public to enhance public safety and environmental stewardship.
News and Announcements
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Dissertation Proposal of Matthew Louis Rutledge
The dissertation proposal of Mr. Matthew Louis Rutledge will be on Wednesday, 22 July 2026, 2:00 PMat IESM Auditorium, IESM Building (hybrid). His paper is itled “Triangulating Titanic Turtles: Species Distribution Modeling and Habitat Suitability Analysis of the Leatherback Turtle, Dermochelys coriacea, in the Philippines“. Dissertation Proposal Committee:
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Socioeconomic conditions shape conservation participation in Lagonoy Natural Biotic Area
Community participation in conservation is shaped not only by environmental awareness but also by household livelihood conditions, according to a study on the Lagonoy Natural Biotic Area (LNBA) in Camarines Sur. The study, authored by Dr. Enrico Replan, assistant professor at the Institute of Environmental Science and Meteorology (IESM), UP Diliman, and Dr. Leonardo M. Florece of UP Los Baños,…
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Human Disturbance Linked to Shifts in Forest Structure and Species Composition in Lagonoy
Dr. Enrico Replan, assistant professor at the Institute of Environmental Science and Meteorology (IESM), College of Science, University of the Philippines Diliman, published a study on how forest structure and plant species composition vary across disturbance gradients in the Lagonoy Natural Biotic Area in Camarines Sur. The article, titled “Forest structure and species composition along disturbance gradients in a Philippine…
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Two IESM Faculty Members Receive 2026 NAST Outstanding Young Scientist Awards
Dr. Mayzonee V. Ligaray and Dr. Rafaela Jane P. Delfino of the Institute of Environmental Science and Meteorology (IESM), University of the Philippines Diliman, have been named recipients of the 2026 Outstanding Young Scientist Awards by the National Academy of Science and Technology, Philippines (NAST PHL). Dr. Ligaray received the award in Environmental Science and Engineering, while Dr. Delfino was…
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IESM Remote Sensing Classes Visit PhilSA for 2026 Culminating Activity
Students from Env Sci 265 (Applications of Remote Sensing to Environmental Science) and Meteo 222 (Satellite Meteorology) visited the Philippine Space Agency (PhilSA) office in Eastwood on 3 June 2026 for an Academic Field Activity. Env Sci 265 is team-taught by Dr. Lapuz, Dr. Gay Jane P. Perez, and IESM affiliate faculty members Dr. Armando Apan and Dr. Josefino Comiso,…
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Dr. Lemnuel V. Aragones Delivers Keynote, Leads Workshop at Ongoing Asian Marine Mammal Stranding Network Symposium in Singapore
Dr. Lemnuel Aragones, Principal Investigator of the UP Diliman Institute of Environmental Science and Meteorology Marine Mammal Research and Conservation Laboratory and President of the Philippine Marine Mammal Stranding Network and the Asian Marine Mammal Stranding Network, delivered a keynote talk at the ongoing 5th Asian Marine Mammal Stranding Network Symposium and Workshop. The conference is being held from 3…