Sara Tjossem
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Alumni Spotlight: Advancing Ocean Governance Through Research, Policy and Diplomacy
Since graduating from the MPA-ESP program, Jeremy Raguain’s work has focused on ocean conservation and marine biodiversity.
During COP30—the 2025 UN Climate Change Conference taking place November 10–21 in Belém, Brazil—experts from Columbia Climate School and Columbia University will be contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
