urban development2
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Columbia Planning Seminar on Accra, Ghana, Sparks Ideas to Further the City’s Development
Accra, Ghana, MCI’s newest Millennium City, presents a unique set of challenges in its quest to attain the Millennium Development Goals by 2015. With a population of well over three million, Accra has had to deal with public sector challenges typical of many urban areas in sub-Saharan Africa, including finding solutions to the many pressing…
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Mayor of Accra, Ghana, Speaks to City’s Challenges During Visit to the Earth Institute
The Millennium Cities Initiative (MCI) and the Earth Institute (EI) were honored to host Accra Mayor Alfred Vanderpuije this week, for a series of lectures and meetings focused on Ghana’s capital. Mayor Vanderpuije met twice with the leadership of the MCI Accra team – Professor Patricia Culligan, Vice-Dean of the School of Engineering and Applied…
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Does Access to Public Transportation Increase Property Values?
Student researcher examines bus rapid transit (BRT) system in Bogota, Colombia

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