Ruth DeFries Archives - State of the Planet

An orangutan swings in a tree in a rainforest on Borneo

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.

by |June 22, 2020

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.

by |April 13, 2016

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… read more

by |September 18, 2009