Ruth S. DeFries2
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Ruth DeFries, Jeffrey Sachs Named University Professors
Ruth DeFries and Jeffrey Sachs have been named University Professors, the highest rank Columbia University bestows on its faculty.
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Ruth DeFries – Denning Professor of Sustainable Development; Professor of Ecology, Evolution, and Environmental Biology
What can satellite imagery tell us about the impact of humanity’s transformation of the landscape on climate and ecosystems? A lot, according to Ruth DeFries, ecosystems expert, Denning Professor of Sustainable Development, and professor of ecology, evolution, and environmental biology at Columbia University and the Earth Institute’s Center for Environmental Research and Conservation (CERC). DeFries…
Congratulations to our Columbia Climate School Class of 2026 and all of our 2026 Columbia University graduates! Learn more about our May 15 Climate School Class Day celebration. 💙 #Columbia2026 #ColumbiaClimate2026
