desert
-
You Asked: Can the Great Green Wall Stop the Sahara From Expanding?
A climate scientist answers readers’ questions about an initiative that would plant a vast wall of trees to combat the effects of climate change.
-
Our Newest SEE-U Field Site in Jordan
In partnership with Columbia’s Global Center in Amman, the Columbia University Middle East Research Center, undergraduate students of all majors have the unique opportunity to study ecosystems and environmental sustainability in Jordan.
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
