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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MMRCL receives Plaque of Commendation from DA-BFAR Region I

The Marine Mammal Research and Conservation Laboratory (MMRCL), University of the Philippines Diliman, received a Plaque of Commendation from the Department of Agriculture-Bureau of Fisheries and Aquatic Resources Regional Fisheries Office I (DA-BFAR RFO I) on 21 September 2026. The commendation recognized MMRCL’s support in responding to marine mammal strandings and its participation in collaborative response efforts for the protection…
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Thesis Defense of Ivan Michael Gabriel

The thesis defense of Mr. Ivan Michael B. Gabriel will be on Wednesday, 11 November 2026, 10:00 AM at the IESM Auditorium, IESM Building. His paper is titled “Baseline and Future Hydrologic Response Assessment of the Cavite River Basin Using Proxy Streamflow Data for SWAT Model Calibration and Scenario Analysis”. Thesis Defense Committee: (Adviser) Mayzonee V. Ligaray, PhD (Reader) Cherry L. Ringor, PhD (Examiner) Rafaela Jane P. Delfino,…
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Thesis Defense of Renzo Val Agapito

The thesis defense of Mr. Renzo Val G. Agapito will be on Wednesday, 28 October 2026, 10:00 AM at the IESM Auditorium, IESM Building (hybrid). His paper is titled “Assessing the Impact of Agriculture on the Diversity of Groundwater Microbial Communities in Nueva Ecija, Philippines”. Thesis Defense Committee:
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Thesis Proposal of Christian Belmonte

The thesis proposal of Mr. Christian L. Belmonte will be on Friday, 16 October 2026, 10:00 AM via Zoom. His paper is titled “Assessing the Relationship Between Air Temperature and Satellite-Derived Land Surface Temperature in Metro Manila, 1988-2024“. Thesis Proposal Committee:
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Thesis Proposal of Jannah Marie Althea Cortez

The thesis proposal of Ms. Jannah Marie Althea R. Cortez will be on Wednesday, 14 October 2026, 9:00 AMv ia Zoom. Her paper is titled “Lagged Influence of ENSO Flavors on Rainfall Variability in the Philippines“. Thesis Proposal Committee:
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Thesis Proposal of Vince Jay Seda

The thesis proposal of Mr. Vince Jay S. Seda will be on Wednesday, 14 October 2026, 2:30 PM via Zoom. His paper is titled “Tropical Cyclone-Humid Heat Compound Events in the Philippines“. Thesis Proposal Committee:



