Emily Halnon
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What Did COP27 Accomplish?
Delegates from Columbia Climate School discuss the achievements and shortfalls of COP27, as well as what took place outside the negotiation room.
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Exploring Actionable Solutions for Water Security
America’s water systems face many challenges, including climate change and aging infrastructure. An upcoming event will focus on ways to solve multiple problems at the same time, with the same funding.
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You Asked: Should I Buy Biodegradable Materials If My Trash Just Goes to a Landfill?
Our expert says: It’s better than adding another piece of plastic to the problem.
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
