Message of Gratitude for Outgoing DENR Secretary Ma. Antonia Yulo-Loyzaga May 30, 2025 Press Releases, Stories The UP Marine Science Institute expresses our gratitude to outgoing DENR Secretary Ma. Antonia Yulo-Loyzaga. Older Post UP, DENR-BMB, and NAVMETOC conduct research at the West Philippine Sea Newer Post UP MSI participates in M/V DA-BFAR Demersal Stock Assessment and Oceanographic Survey in Visayan and Samar Sea