Ruth S. DeFries2
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Coronavirus and Wildfires Combine to Pose Potential Threat to Indigenous Lives and Lands
But experts say it’s not too late to reduce the most serious effects of these compound issues.
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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…
On Saturday, October 17, 2026 from 10am to 4pm, Lamont-Doherty Earth Observatory Open House—our biggest, best science fun and discovery event of the year—will take place on our beautiful campus in Palisades, NY. Mark your calendar and join us for this free, family-friendly celebration of science! RSVP Today!
