cities
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Columbia Climate School Hosts City Leaders to Address Energy Affordability and Climate Action
Sustainability leaders from Ann Arbor, Atlanta and NYC shared the ways they are working at the local level to improve energy efficiency and reduce costs, while also reflecting on the challenges they face.
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Dangerous Hot Days Are Spreading Beyond Summer
Extreme heat has become more common. But a new study finds that these events are no longer confined to the warmest part of the year; they are also becoming more frequent in the months before and after.
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Sinking Land Drives Hidden Flood Risk in One of the World’s Most Populated Regions
A new study finds that land subsidence is outpacing ocean-driven sea-level rise along the northern coastline of Java Island, Indonesia.
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All of the Biggest U.S. Cities Are Sinking
From the coasts to the interior, urban areas are sinking. The main culprit: pumping of groundwater.
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Sabin Center Releases Report Providing Legal Tools for U.S. Cities to Act on Climate Change
Cities Climate Law can help local governments move from pledges to action by demystifying the legal context in which they develop climate policy.
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The Wall and Trump’s Anti-Immigration Policy Folly
The wall, growing limits on visas, children separated from their parents and the Muslim ban are all examples of Trump’s immigration policy folly.
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Promoting but Regulating Electric Bikes in New York City
We need to be as creative in regulating new technologies and business models as the people who are making and selling these products and services.
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Public Space and the Sustainable City
As our planet becomes more urban, the importance of parks and other public spaces becomes magnified.
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Alum Explores Intersection of Sustainability and Urban Economic Development
MS in Sustainability Management alum Monica Munn has nearly 10 years of experience working to design and execute programs that make cities more sustainable, resilient, and economically inclusive.
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
