population estimates
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Improving Estimates of Population Exposed to Sea Level Rise: Not as Straightforward as It May Seem
Data choices are critical in assessing the risk of sea level rise faced by people living in low elevation coastal zones.
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Working with Facebook to Create Better Population Maps
Knowing how settlements are distributed across the landscape—e.g., in clusters, along roads or waterways, or scattered widely—has important implications for designing infrastructure, improving access, and promoting sustainability.
During COP30—the 2025 UN Climate Change Conference taking place November 10–21 in Belém, Brazil—experts from Columbia Climate School and Columbia University will be contributing to key events, sharing insights, and helping shape the dialogue toward ambitious, science-based solutions. Learn More
