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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Laguna de Bay lakeshore grasslands show moderate plant diversity, localized vegetation patterns
Lakeshore grasslands in Barangays San Antonio and Tagumpay, Bay, Laguna, were found to support moderately diverse plant communities dominated by grasses and other disturbance-tolerant species. In a recently published study, IESM faculty member Assistant Professor Enrico L. Replan, PhD documented 35 plant species from 18 genera and 10 families, with the grass family Poaceae forming the main structural component of…
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IESM recognized for Irrawaddy dolphin research and conservation in San Miguel Bay
The UP Diliman Institute of Environmental Science and Meteorology (IESM), through its Marine Mammal Research and Conservation Laboratory, received a Gawad Parangal para sa mga Kabalikat ng Pangisdaan on 3 September 2026 for its work on Irrawaddy dolphins in San Miguel Bay. The recognition was presented during the Regional Summit on Malinis at Masaganang Katubigan (MMK), Fisheries Management Areas (FMAs),…
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Dissertation Proposal of Roger Dologuin Jr.
The dissertation proposal of Mr. Roger B. Dologuin Jr. will be on Saturday, 19 September 2026, 9:00 AM via Zoom. His paper is titled “Ecological Threshold and Assimilative Capacity of an Urban River Network: A Coupled Modeling Approach for the Manggahan Subbasin, Philippines“. Dissertation Proposal Committee:
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Thesis Proposal of Camille Rafal
Please be informed that the thesis proposal of Ms. Camille Rafal will be on Friday, 28 August 2026, 9:00 AM via Zoom. Her paper is titled “Assessment of WRF-Hydro Performance in Simulating Streamflow during Super Typhoon Carina (2024) – Enhanced Southwest Monsoon Event in the Pasig-Marikina River Basin, Philippines“. Thesis Proposal Committee:
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Delfino discusses climate modeling and tropical cyclone risks at UP-Reading climate forum
IESM faculty member Dr. Rafaela Jane Delfino participated as a discussant in the forum “From Climate Prediction to Climate Resilience: Research, Capacity Development and Resilient Infrastructure in the Philippines” on 5 August 2026 at Balay Kalinaw, UP Diliman. Delfino spoke on “Climate Modeling and Extreme Event Attribution in the Philippines,” as part of a series of discussions on climate research,…
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IESM students receive 2026 Siglat Saliksik Spring Development Grants
Four IESM students were among the recipients of the 2026 Siglat Saliksik Spring Development Grant of the Provincial Government of Ilocos Sur. Mark Joseph William D. Ducusin, and the team of Camille Rafal, Alex Garibay Jr., and Rochelle Paa received grants for two research projects during the Siglat Festival awarding ceremony on 7 August 2026 at the CHAVIT Coliseum in…