aging infrastructure
-

Coming Soon? A Brief Guide to 21st-Century Megadisasters
A Q&A with Jeffrey Schlegelmilch, author of a new book on potential future calamities, and how they may play off one another.
-

Do Two Failed Dams Foretell a Dire Future?
What happened in Michigan shines a light on our aging and failing infrastructure. The question remains, will we do something now to fix it?
-

Michelle Ho: In a Land of Plenty, Big Water Problems
Michelle Ho grew up in Australia, the driest inhabited continent, with an appreciation for the value of having a clean glass of water to drink. Now, she conducts research for the Columbia Water Center on America’s water systems.

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
