desert
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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.
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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.
October 28, 2026 is Columbia Giving Day! Your gift to Columbia Climate School helps advance interdisciplinary research, educate the next generation of leaders, and transform bold ideas into real-world solutions for climate, Earth, and society.
