Ajit Subramaniam
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How ‘Undone Science’ Shaped Chile’s Glacier Protection Battle
A new study examines how “undone science” has shaped the conflict between mining and glacier conservation in Chile over the past two decades.
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Why Hosting an Olympic Competition in Tahiti Is a (Really) Bad Idea
A plan to build a judging tower atop coral may cause irreversible damage to the local marine ecosystem.
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Science for the Planet: Sinking Seaweed for Sequestration
This second video for Science for the Planet series explores the idea of sinking sargassum seaweed deep in the ocean, taking carbon with it.

COP31, the 2026 United Nations Climate Change Conference, aims to advance dialogue, strengthen consensus, and accelerate climate action on a global scale. From November 9–20, 2026 in Antalya, Türkiye, heads of state, ministers, scientists, business leaders, and civil society will gather to advance efforts in emission targets, climate finance, and adaptation and resilience. Once again, our experts, students, and global thought leaders from Columbia Climate School and across Columbia University are contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
