Urbanization9
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Columbia Students and Locals Team Up to Build Resilience in Johnstown, PA
Workshop shows how climate adaptation could be linked with economic revitalization in the nation’s so-called “Rust Belt.”
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Q&A With Sustainable Cities Expert Jitendra Bajpai
The engineer and urban transport planner teaches a course on sustainable cities for the M.S. in Sustainability Management program.
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Rising Seas Threaten Low-Lying Coastal Cities, 10% of World Population
In a new report, CIESIN researchers help to identify urban populations at risk from sea level rise. Their updated data set is meant to inform adaptation strategies.
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Hurricane Sandy May Have Worsened Gentrification in Brooklyn and Queens
A study finds evidence for land speculation in Coney Island and the Rockaways, in some of the neighborhoods hardest-hit by the storm.
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A Sustainability Indicator to Compare the Bike Friendliness of U.S. Cities
An index created by a student would measure how well cities are encouraging bicycling through infrastructure, safety, and clean air.
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Bright Lights, Big Cities: An Intern Takes on the World of Remote Sensing
Intern Dorothee Grant is using daytime and nighttime lights satellite data to help map urban areas at large spatial scales.
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New York: A City of Seasons
I love the seasonality and endless variety of my home city and I do not find its intensity incompatible with the goal of environmental sustainability.
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The Automobile and New York City
The private automobile should be seen as a valuable piece of a complex, varied system of transit. It should not simply be shunned but electrified, accommodated and regulated.
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Why You Should Shop at the Farmers Market
In honor of National Farmers Market Week, a staffer who used to work at the market tells us why farmers markets are valuable community resources.

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
