The ocean took center stage at COP30. This episode of Oceanography explores how ocean science, policy, and lived experience shaped the climate conversations at COP30 in Belém, Brazil. From marine carbon dioxide removal and blue carbon ecosystem restoration to funding gaps and governance challenges, the episode traces how the ocean is increasingly framed as both a climate solution and a site of urgent risk. It also examines what COP30 delivered for the ocean, where progress was made, where ambition fell short, and why adaptation, finance, and follow-through remain unresolved. Grounded in reporting from the Ocean Pavilion and informed by broader analysis, this episode reflects on what it really means for oceans to rise on the global climate agenda.

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Hosted, produced, and edited by Clark Marchese

10 New Insights in Climate Science for 2025 by Future Earth

Cover art by Jomiro Eming

Theme music by Nela Ruiz

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