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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Perspective Paper Examines Ecological Risks and Policy Gaps in SFLMA Implementation
A new perspective article by Enrico L. Replan of the Institute of Environmental Science and Meteorology, UP Diliman, analyzes the ecological vulnerabilities that may arise from implementing the Sustainable Forest Land Management Agreement (SFLMA). Published in Transactions NAST PHL, the paper reviews how recent policy reforms could unintentionally accelerate the conversion of remaining natural forests
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12th PMMSN National Symposium Celebrates 20 Years of Marine Mammal Conservation and Collaboration
The Philippine Marine Mammal Stranding Network (PMMSN) successfully held its 12th National Symposium on 9–11 December 2025, bringing together marine mammal responders, researchers, veterinarians, local government units, and conservation partners from across the country. Led by PMMSN President Dr. Lemnuel V. Aragones, faculty member of the Institute of Environmental Science and Meteorology (IESM), this year’s
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Biological Invasions in the Philippines: New Paper Identifies Research Gaps and Urgent Strategies
A new paper co-authored by IESM faculty member Dr. Benjamin M. Vallejo Jr. examines the growing threat posed by biological invasions in the Philippines and identifies the major obstacles that hinder effective management. The study brings together current knowledge on non-native species in the country and highlights the need for more coordinated, science-based approaches to
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IESM Faculty Member Highlights BS Meteorology Program in UP NISMED Anniversary Lecture
IESM faculty member Dr. Bernard Alan B. Racoma delivered the second lecture in the UP NISMED 61st Anniversary Seminar Series, sharing insights on the development of the BS Meteorology program and the growing community of weather science experts in the Philippines. The talk, titled “From Data to Disaster Readiness: Empowering Communities through STEM Education,” highlighted
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Thesis Proposal of Jayson del Rosario
The Thesis Proposal of Mr. Jayson S. del Rosario will be on Monday, 15 December 2025, at 8:00 AM via Zoom. His paper is entitled “Sand, Land, and Band: Assessing sediment yield response to land use land cover change in Nagtipunan Watershed, Quirino Province using satellite-derived data“. Thesis Proposal Committee:
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“Environmental Dilemma: From Climate Change to Pollution” – Special Lecture by Dr. Shakil A. Saghir
On 24 November 2025, Dr. Shakil A. Saghir delivered a Special Lecture titled “Environmental Dilemma: From Climate Change to Pollution” at the American University of Phnom Penh (AUPP) in Cambodia. The event was attended by the Dean of the Faculty of Social Sciences, students, professors, and members of the press, providing a diverse audience for