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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Dr. Mylene G. Cayetano Presents on Digital Tools for Air Pollution at ASEAN Workshop
Dr. Mylene G. Cayetano of the Institute of Environmental Science and Meteorology (IESM), University of the Philippines Diliman, served as a speaker at the Capacity-Building Workshop on Technology-driven Solutions for Air Pollution under the Clean Air for Sustainable ASEAN (CASA) project, held on 13 to 14 May 2026 in Cebu, Philippines. CASA is an ASEAN
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IESM Faculty Participate in PSYSC STEM Expo 2026
Faculty members of the Institute of Environmental Science and Meteorology, Dr. Enrico L. Replan and Dr. Rafaela Jane P. Delfino, are participating in the PSYSC STEM Expo 2026 on 9 May 2026 at the GT-Toyota Asian Center Auditorium, UP Diliman, Quezon City. Organized by the Philippine Society of Youth Science Clubs, Inc., PSYSC STEM Expo
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Prof. Rene Rollon Serves as Keynote Speaker at UP Manila Coastal Conservation Conference
Prof. Rene Rollon of the UP Diliman Institute of Environmental Science and Meteorology (IESM) delivered the keynote lecture at the 2026 International Flores de Mayo Festival and Conference, held on May 5, 2026 at UP Manila. In his lecture, Prof. Rollon called for a shift from site-based mangrove planting to science-based, ecosystem-level coastal conservation. He
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Thesis Proposal of Jonas Matthew Quizon
Please be informed that the thesis proposal of Mr. Jonas Matthew O. Quizon will be on Tuesday, 19 May 2026, 2:00 PM at IESM Auditorium, IESM Building (hybrid). His paper is titled “Dynamics of Temporal Deposition of Atmospheric Microplastics and Bio-Aerosols in Quezon City, Philippines“. Thesis Proposal Committee:
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“Filipino, scientist, babae”: Mula Naga hanggang NASA, ang kuwento ni Gay Jane Perez
Sa ginanap na book launch noong 8 Mayo 2026 sa College of Science Administration Building sa UP Diliman, tinalakay ng mga manunulat, siyentista, at ilustrador ang kahalagahan ng representasyon at agham para sa kabataang Pilipino sa pamamagitan ng Isang Puwang sa Kalawakan: Si Gay Jane Perez at ang Diwata-1. Tampok sa aklat si Dr. Gay
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Thesis Defense of Karl Osric Mendoza
The thesis defense of Mr. Karl Osric R. Mendoza will be on Tuesday, 02 June 2026, 9:00 AM at IESM Auditorium, IESM Building. His paper is entitled “The Influence of the El Niño-Southern Oscillation on Shear Line Occurrence in the Philippines during the Winter Monsoon“. Thesis Defense Committee: