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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Thesis Proposal of Caelan Philip Diaz
Thesis Proposal of Mr. Caelan Philip B. Diaz will be on Friday, 14 November 2025, at 1:00 PM via Zoom. His paper is titled”Basin-Wide Suitability Assessment and Hydrological Modelling of Blue-Green Infrastructure of Selected Basins in Central and Southern Luzon”. The presentation will be streamed live via IESM- UPD Facebook page https://www.facebook.com/upiesm/ Thesis Proposal Committee:
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Dr. Gay Jane Perez Appointed Officer-in-Charge of the Philippine Space Agency
President Ferdinand R. Marcos Jr. has designated Dr. Gay Jane P. Perez as the Officer-in-Charge (OIC) of the Philippine Space Agency (PhilSA), effective October 20, 2025. Dr. Perez, who serves as Deputy Director General for Space Science and Technology at PhilSA, is a faculty member of the Institute of Environmental Science and Meteorology (IESM), University […]
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IESM Affirms Support for Laguna de Bay Rehabilitation at LLDA’s “Abot-Kamay” Mission
Dr. Mylene Cayetano and Dr. Mayzonee Ligaray of the Institute of Environmental Science and Meteorology (IESM), University of the Philippines Diliman, joined the Laguna Lake Development Authority (LLDA), Cainta LGU, and partner institutions in reaffirming their commitment to the protection and rehabilitation of the Laguna de Bay watershed during the 26th Abot-Kamay para sa Laguna […]
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UP-IESM Launches Alumni Tracer Survey
The Institute of Environmental Science and Meteorology (IESM), University of the Philippines Diliman, is inviting all its alumni to participate in the UP-IESM Alumni Tracer Survey. The survey aims to track graduate outcomes, assess program satisfaction, and celebrate the professional achievements of IESM alumni. Insights gathered from respondents will help guide the institute in strengthening […]
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ROOTED SOLUTIONS: A Form on Nature-based Solutions for Flood Management
GeoHazards International, together with the UP College of Engineering and GeoThink will hold ROOTED SOLUTIONS: A Forum on Nature-based Solutions for Flood Management on October 17, 2025 (Friday) from 2:00 to 5:00 PM (Philippine Time) via Zoom. The forum will feature discussions on the role of nature-based and ecosystem approaches in reducing flood risks and […]
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IESM Faculty and Students Present Research at the 3rd National PASCDR Conference
Left to right: Dr. Bagtasa, Dr. Racoma, Mr. Revilla, and Mr. Ducusin. Faculty members and students from the Institute of Environmental Science and Meteorology (IESM), University of the Philippines, Diliman, represented the Institute at the 3rd National Conference of the Philippine Academic Society for Climate and Disaster Resilience (PASCDR) held on October 8-10, 2025, at […]