UP-IESM

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Established in 2003, the Institute of Environmental Science & Meteorology (IESM) is an academic unit of the UP Diliman College of Science.

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. Created by merging the Environmental Science Program (ESP) and the Department of Meteorology and Oceanography (DMO), IESM is envisioned as a leading center for environmental and atmospheric sciences in the Asia Pacific. The institute focuses on understanding natural phenomena that influence key decisions on sustainable development in the Philippines and the region. IESM is dedicated to advancing the study of human impacts on the environment, predicting weather and climate patterns, and managing atmospheric and hydro-meteorological hazards. The institute now has 12 full-time faculty members, 5 professorial lecturers, and a growing number of Adjunct Professors. Since relocating to a new facility in 2014, IESM‘s research activities have significantly expanded

In December 2015, IESM was named a Center of Excellence for Environmental Science by the Commission on Higher Education. Additionally, in partnership with the Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA), IESM serves as a Regional Training Center for the World Meteorological Organization Region.

04/11/2026

ANNOUNCEMENT: Thesis proposal of Ms. Cassandra Joy V. Cabigan will be on Friday, 20 November 2026, 10:00 AM via Zoom. Her paper is entitled "Spatial and Temporal Variability of GPS-Derived Precipitable Water V***r from 2020 to 2025 in the Philippines".

Thesis Proposal Committee:
(Adviser) Bernard Alan B. Racoma, PhD
(Reader) Gerry Bagtasa, PhD

Please attend. Thank you.

29/10/2026

ANNOUNCEMENT: Thesis defense of Mr. Caelan Philip B. Diaz will be on Tuesday, 24 November 2026, 1:00 PM at the IESM Auditorium, IESM Building. His paper is entitled "Basin-Wide Suitability Assessment and Hydrological Modelling of Blue-Green Infrastructure of Selected Basins in Central and Southern Luzon”.

Thesis Defense Committee:
(Adviser) Mayzonee V. Ligaray, PhD
(Reader) Gil G. Cruz, Jr., PhD
(Examiner) Cherry L. Ringor, PhD
(Examiner) Charles John C. Gunay, PhD

Please attend. Thank you.

27/10/2026

ANNOUNCEMENT: Thesis proposal of Ms. Kisha Pungsayan will be on Tuesday, 24 November 2026, 10:00 AM at the IESM Auditorium, IESM building (hybrid). Her paper is entitled "Genetic Assessment and Phylogenomics of Stenella species stranded in Philippine Waters, Inferred from Mitochondrial and Whole Genome Sequences".

Thesis Proposal Committee:
(Adviser) Lemnuel V. Aragones, PhD
(Co-Adviser) Cynthia P. Saloma, PhD
(Reader) Rachel June Ravago-Gotanco, PhD

Please attend. Thank you.

27/10/2026

ANNOUNCEMENT: Thesis proposal of Ms. Queenie Mae L. Marquez will be on Monday, 09 November 2026, 11:00 AM via Zoom. Her paper is entitled "Integrated Assessment of Ecosystem Carbon Stocks and Vulnerability of the Urban Forest of the University of the Philippines Diliman".

Thesis Proposal Committee:
(Adviser) Enrico L. Replan, PhD
(Reader) Ralph Sedricke C. Lapuz, PhD

Please attend. Thank you.

27/10/2026

UP IESM hosted the NCR leg of MET4YOU 2026 (METeorology for YOUng Scientists: Science, Technology and Innovation) on October 24, 2026, bringing together young scientists and students to explore meteorology, research, and innovation.

The event was organized by the Philippine Meteorological Society (PMS), in partnership with DOST-Science Education Institute (DOST-SEI).

Read more through the link in the comments.

Photo courtesy of PMS.

21/10/2026

ANNOUNCEMENT: Thesis proposal of Ms. Rochelle R. Paa will be on Monday, 09 November 2026, 9:00 AM via Zoom. Her paper is entitled "Numerical Experiment of Cloud Overseeding for Mitigating Extreme Rainfall from a Localized Thunderstorm in an Urbanized Area".

Thesis Proposal Committee:
(Adviser) Gerry Bagtasa, PhD
(Co-Adviser) Yusuke Hiraga, PhD
(Reader) Bernard Alan B. Racoma, PhD

Please attend. Thank you.

20/10/2026

ANNOUNCEMENT: Thesis proposal of Mr. John Victor F. Marcelino will be on Friday, 06 November 2026, 1:00 PM via Zoom. His paper is entitled "Polychaete Assemblages as Indicators of Environmental Disturbance in Selected Mudflat Habitats of Manila Bay, Philippines".

Thesis Proposal Committee:
(Adviser) Benjamin M. Vallejo, Jr., PhD
(Reader) Sheila Mae S. Santander-De Leon, PhD

Please attend. Thank you.

20/10/2026

16/10/2026

Congratulations to IESM and Dr. Mylene G. Cayetano on their recognition at the 2026 Bantayog ng Lawa Awards!

The Institute of Environmental Science and Meteorology (IESM) received the Bantayog Para sa Kaunlaran Award for the AI-SWAMP project led by Mayzonee V. Ligaray, PhD.

Meanwhile, Mylene G. Cayetano, RcH, PhD, was honored with the Kababaihan ng Lawa Award for her contributions to the protection and sustainable management of Laguna de Bay.

Both recognitions were conferred by the Laguna Lake Development Authority (Official) (LLDA) during the 3rd Bantayog ng Lawa Awards on 16 October 2026 in Quezon City.

Address

Institute Of Environmental Science & Meteorology
Quezon City

Website

https://iesm.science.upd.edu.ph/

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