ei ecosystems action
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Columbia Researchers Help With Plan to Restore and Protect the Hudson River
A comprehensive plan outlines ways to clean up the Hudson River and reduce the impacts from development and climate change.
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Columbia Team Helps Investigate Algae Bloom Near Kilauea Eruption
Researchers from the Lamont-Doherty Earth Observatory are exploring how volcanic inputs are influencing ocean health in Hawaii.
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How Will Climate Change Impact Ocean Health?
Three scientists explain what they’re learning about the ocean’s changing conditions. These discoveries will contribute to the sustainable management and conservation of marine resources, helping to secure food for current and future generations.
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Fighting Ivory Trafficking with Forensic Science
Last week, just days before Central Park’s big Ivory Crush, a Lamont-Doherty geochemist and his colleague sawed off samples of the confiscated ivory for DNA testing and radiocarbon dating. Their results could determine where and when each elephant was killed—which could help catch the poachers responsible.
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Fragile States Use Geospatial Data and Maps to Better Manage Natural Resources
Some of the world’s poorest nations have an abundance of natural resources, but also have suffered under recent conflicts. Learning how to manage these resources strategically and sustainably can help accelerate growth and development. A new web-based mapping tool may be able to help them do that.
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Agreement with NY State Protects Black Rock Forest
New York State will acquire a conservation easement for the Black Rock Forest, protecting the 3,800-acre preserve 50 miles north of New York City for both public use and scientific research.

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
