Riverkeeper
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Sustainability Science Capstone Workshop Investigates Microplastics in the Hudson River
A student group examined the types of microplastics entering the river, and created a way for citizen scientists to help with the research.
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Should New York Build a Storm Surge Barrier?
A recent event at Columbia University debated the pros and cons.
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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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Antibiotic-Resistant Bacteria Widespread in Hudson River, Study Finds
Ongoing Risks Come From Sewage
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Is the Hudson Swimmable? New Program Aims to Test the Waters
Ongoing Work By Scientists Will Supply Data to the Public
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
