nighttime lights
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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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Bright Lights, Big City?
Researchers using nighttime lights data to ask questions about economic development in sub-Saharan Africa have findings counter to expectation.
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
