Map of the Month3
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In Your Own Backyard: Mapping Communities Near Superfund Sites
The NPL Superfund Footprint Mapper is an interactive, online mapping application—a clickable map—that lets users visualize a rich variety of population and environment characteristics of areas in the vicinity of Superfund sites.
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For Better or for Worse: A Decade of Global Environmental Performance Trends Examined
The Pilot Trend Environmental Performance Index (Trend EPI) ranks countries on improvement or decline in their environmental performance, over the past decade.

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
